All Skills
Self-Management

Health Literacy

How to understand health information, evaluate health claims, navigate healthcare systems, and make informed decisions about your own and your family's health. Health literacy is one of the most immediately practical skills in the curriculum — it affects every person's life, every day, and it is almost never explicitly taught.

Key Ideas at This Level
1 Our body needs food, water, sleep, and movement to stay healthy.
2 Washing hands, clean water, and keeping things clean prevents many illnesses.
3 When we feel ill, we should tell a trusted adult.
4 Some illnesses are caused by tiny living things called germs that we cannot see.
5 Doctors, nurses, and health workers are there to help us — it is good to visit them.
Teacher Background

Health literacy at Early Years level is about building the foundational health behaviours and health-seeking dispositions that will protect children throughout their lives. The most important behaviours — handwashing, safe water, adequate sleep, nutrition, and knowing when to seek help — are simple, evidence-based, and within the reach of almost any classroom to teach and reinforce. Handwashing alone prevents a substantial proportion of diarrhoeal diseases, which are among the leading causes of child mortality in low-income countries. Teaching it correctly — with soap (or ash where soap is unavailable), for at least twenty seconds, at the critical times (before eating, after using the toilet, after handling animals or waste) — is one of the highest-impact health interventions available. In many communities, illness is explained through spiritual, traditional, or supernatural frameworks alongside biomedical ones. Teachers should engage with these frameworks respectfully and honestly — acknowledging that traditional healers and community practices often provide genuine support, while being clear about what the biomedical evidence says about specific causes and treatments. The germ theory of disease — the idea that many illnesses are caused by microscopic organisms that pass between people — is one of the most important and most misunderstood scientific ideas in public health. Establishing a basic understanding of this at early years level (tiny living things that we cannot see but that can make us sick) creates the conceptual foundation for understanding infection prevention throughout life. All activities below can be taught without materials beyond what is immediately available in any classroom.

Skill-Building Activities
Activity 1 — The handwashing demonstration: seeing what we cannot see
PurposeChildren understand why handwashing works and develop the correct technique and habit — one of the highest-impact health behaviours available.
How to run itBegin with the question: can you see germs? (No — they are too small.) But they are there. Ask children to hold out their hands — they look clean. But are they? Introduce the idea: germs are on our hands all the time and we spread them by touching our faces, food, and other people. Washing hands with soap removes the germs. Now demonstrate the correct technique — and ask children to follow. Wet hands with clean water. Apply soap or ash if soap is unavailable. Rub hands together for at least twenty seconds — palms, backs of hands, between fingers, thumbs, and nails. Rinse thoroughly with clean water. Dry with a clean cloth or air dry. Teach the critical moments: before eating or preparing food; after using the toilet or helping a younger child; after touching animals, soil, or waste; after coughing or blowing the nose. Practise together as a class. Ask: how many of these moments happen in your typical day? If you washed your hands at every critical moment, how many times would that be? Now make a class pledge: we will wash our hands at every critical moment for one week. Ask children to report back on whether they managed it and what made it easy or hard.
💡 Low-resource tipIf soap is unavailable, ash from a cooking fire works as an effective substitute for soap in removing germs from hands — this is evidence-based and widely accepted by public health organisations. Any clean water source works. The twenty-second duration is important — singing a short familiar song while washing helps children time it correctly.
Activity 2 — What our body needs: the basics of health
PurposeChildren build understanding of the basic requirements for a healthy body — food, water, sleep, movement, and cleanliness — connecting these to their own daily lives.
How to run itAsk children: what does your body need to work well and stay healthy? Accept all answers and build a list. Then introduce five categories — food, water, sleep, movement, cleanliness — and help children understand what each one does. Food: gives your body energy and the materials it needs to grow and repair. Different foods give different things — and we need variety. Water: your body is mostly water and loses water through sweat, breathing, and waste. When you do not drink enough water, everything in your body works less well. Sleep: your body repairs itself while you sleep — children need eight to ten hours. Movement: your heart, lungs, and muscles need regular activity to stay strong. Cleanliness: keeping the body, hands, food, and water clean prevents many illnesses. For each category, ask: do you get enough of this? What makes it easy or hard? Now ask children to think about a day when they felt unwell. Could any of the five needs explain it? If they did not sleep enough, did not drink enough water, did not eat enough? Introduce the idea: paying attention to your body's five basic needs is the foundation of health. Many illnesses are prevented simply by meeting these needs consistently.
💡 Low-resource tipNo materials needed. The five needs framework is simple enough to memorise and immediately applicable. In food-insecure settings, be sensitive about the food discussion — not every child has access to variety in their diet. Acknowledge this honestly and focus on what is available locally rather than implying they are eating wrongly.
Activity 3 — When to tell an adult: recognising warning signs
PurposeChildren develop the ability to recognise when a health problem requires adult attention — building the health-seeking behaviour that can save lives.
How to run itAsk children: how do you know when you are ill? What does your body tell you? Collect symptoms: fever, headache, stomach ache, cough, rash, difficulty breathing, pain, weakness. Now introduce the key question: when should you tell an adult about a health problem? Discuss the difference between normal discomfort (tired after playing, sore muscles after working hard, mild stomach ache after eating too fast) and warning signs that need adult attention. Teach specific warning signs to always tell an adult: high fever or any fever in a very young child; difficulty breathing or very fast breathing; inability to drink or eat anything for more than one day; severe pain anywhere; rash with fever; confusion or difficulty staying awake; blood in stool, urine, or vomit; a wound that is getting more rather than less painful or red. Ask children: have you or someone in your family ever had one of these signs? What happened? Who did you tell? Introduce the idea: telling an adult about a health problem quickly is not being weak or dramatic — it is good health behaviour. Many serious illnesses are much easier to treat when they are caught early. Knowing when to seek help is one of the most important health skills there is.
💡 Low-resource tipNo materials needed. The warning signs should be adapted to the most common serious conditions in the local context — malaria warning signs, cholera warning signs, meningitis signs, or others depending on regional disease burden. The cultural context of health-seeking behaviour matters: in some communities, seeking outside help is seen as lack of faith or embarrassing. Address this respectfully — traditional healing and professional healthcare are not always incompatible.
Reflection Questions
  • Q1What do you do when you feel unwell? Who do you tell first?
  • Q2Do you always wash your hands before eating? What makes it easy or hard to remember?
  • Q3Have you ever been ill and visited a health worker or clinic? What was it like?
  • Q4What does your family do to try to stay healthy? Are there things you do that your family does not know about — or things your family does that you do not always do?
  • Q5Is there something about health or how your body works that you do not understand and would like to know?
Practice Tasks
Drawing task
Draw the five things your body needs to stay healthy. Write or say: the most important one for me right now is __________ because __________, and one thing I could do today to take better care of my health is __________.
Skills: Building awareness of the five basic health needs and personal health agency — the idea that health is something you actively maintain
Model Answer

Five drawings representing food, water, sleep, movement, and cleanliness. The completion names the one most personally relevant with a specific reason, and proposes a specific, achievable health action for today — not a vague resolution but something the child can actually do.

Marking Notes

Ask: what would make it easier to do the thing you named? Is there anything stopping you? The barrier question often reveals more about health literacy than the health knowledge itself.

Health story
Write or tell a short story about a child who noticed they were unwell, told an adult, and got better. Show: what signs made them think something was wrong; who they told and what happened; what they learned about their health.
Skills: Normalising health-seeking behaviour and building recognition of warning signs through narrative — making the abstract concrete
Model Answer

Fatima woke up one morning feeling very hot and her head was hurting. She did not want to eat breakfast, which was strange because she was usually hungry. She told her mother, who felt her forehead and said she had a fever. Her mother gave her water to drink and took her to the health worker at the clinic. The health worker tested her for malaria and found she had it, and gave her medicine. After three days of rest and medicine, Fatima felt much better. She learned that telling her mother quickly meant she got treatment before the malaria got very bad, and that going to the clinic was not scary — the health worker was kind and knew how to help.

Marking Notes

Award marks for: specific health warning signs that would genuinely prompt concern; health-seeking behaviour that is realistic and positive; and a lesson that connects the health-seeking behaviour to a good outcome. Stories where the child gets better because they told an adult quickly are more valuable than stories where they get better on their own — the behaviour being modelled matters.

Common Mistakes
Common misconception

Illness is caused by bad luck, cold air, or supernatural causes.

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What to teach instead

Many common illnesses are caused by specific, identifiable agents — bacteria, viruses, parasites — that enter the body through specific routes (contaminated food and water, insect bites, person-to-person contact through droplets or touch). Understanding the actual routes of transmission makes prevention possible: handwashing prevents illness spread through touch; safe water prevents waterborne illness; mosquito nets prevent malaria; vaccination prevents specific viral diseases. This does not mean that traditional frameworks for understanding illness have no value — many provide important social and psychological support. But the germ theory of infectious disease has been one of the most practically powerful ideas in human history, preventing more deaths than almost any other scientific advance.

Common misconception

If you feel well, you are healthy — and if you feel ill, you must be sick.

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What to teach instead

Many serious conditions — including high blood pressure, diabetes, HIV, and early cancer — produce few or no symptoms for long periods while causing significant damage. Conversely, many uncomfortable symptoms — soreness after physical work, mild fatigue, normal digestive discomfort — are not signs of illness. Feeling well is generally a good sign but not a guarantee of health, particularly as people age and for conditions that develop slowly over time. Regular health checks — particularly for conditions common in the local population — are valuable even for people who feel well.

Common misconception

Taking medicine makes you better faster, so more medicine is better.

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What to teach instead

Medicines work within specific dose ranges — too little may be ineffective and too much is dangerous or toxic. The dose and duration of antibiotic treatment, for example, is designed to fully eliminate the specific bacteria causing an infection; stopping early because you feel better allows surviving bacteria to regrow and potentially develop resistance. Taking more than prescribed does not accelerate recovery and can cause serious harm. All medicine should be taken exactly as directed by a qualified health worker.

Key Ideas at This Level
1 How the immune system works — the body's defence against infection
2 Vaccines — how they work and why they matter
3 Nutrition and health — what food does in the body
4 Prevention versus treatment — why preventing illness is almost always better than treating it
5 Evaluating health information — how to tell reliable from unreliable sources
6 Navigating healthcare — how to use health services effectively
Teacher Background

Health literacy at primary level introduces students to the key concepts underlying personal and community health — the immune system, vaccination, nutrition, and the critical skill of evaluating health claims. In communities where health misinformation is common and access to professional healthcare is limited, these concepts are not academic but immediately practical and potentially life-saving. The immune system: the immune system is the body's defence against infection — a remarkably sophisticated network of cells, tissues, and proteins that recognises and destroys pathogens. The innate immune system provides immediate, non-specific defence (inflammation, fever). The adaptive immune system mounts targeted responses to specific pathogens and retains memory of past infections, providing faster and stronger responses on re-exposure.

Vaccination exploits this immunological memory

By exposing the immune system to a harmless version of a pathogen (killed, attenuated, or represented by specific proteins), vaccination triggers the adaptive immune response and creates memory without causing disease. Vaccines are among the most evidence-based and cost-effective medical interventions in human history — smallpox has been eradicated, polio is close to elimination, and millions of deaths from measles, tetanus, and other diseases are prevented annually. Vaccine hesitancy — the refusal or delay of vaccination despite access — is driven by misinformation and is a genuine public health threat. Health literacy education that clearly explains how vaccines work is one of the most direct available responses.

Nutrition

Food provides the body with energy (carbohydrates, fats), building materials (protein), regulators (vitamins, minerals), and hydration. Malnutrition — both undernutrition and overnutrition — is a major contributor to disease burden globally. In low-income communities, the most common nutritional deficiencies include iron (causing anaemia), vitamin A (causing blindness and immune suppression), iodine (causing cognitive impairment), and protein (causing stunting). Simple, locally available foods often provide these nutrients when dietary diversity is maintained.

Evaluating health information

In a context of widespread health misinformation — on social media, in community networks, from informal health providers — the ability to evaluate health claims is essential. The key questions: who is making this claim and what are their qualifications? Is there evidence from peer-reviewed research? Does the claim conflict with scientific consensus? Does the information provider benefit financially from my belief in this claim? Is the treatment registered and approved by health authorities?

Key Vocabulary
Immune system
The body's defence system against infection — a network of cells, tissues, and proteins that recognises and destroys pathogens. The adaptive immune system retains memory of past infections, providing faster and stronger responses on re-exposure.
Vaccine
A preparation that triggers an immune response without causing disease — creating immunity to a specific pathogen. Vaccines exploit the immune system's memory to prepare the body to fight infections it has not yet encountered.
Pathogen
A microorganism that causes disease — including bacteria, viruses, fungi, and parasites. Different pathogens cause different diseases and are transmitted through different routes.
Antibiotics
Medicines that kill or inhibit the growth of bacteria. Antibiotics do not work against viruses. Completing the full course of antibiotic treatment is essential to prevent the development of antibiotic-resistant bacteria.
Antimicrobial resistance
The ability of bacteria and other microorganisms to resist the effects of medicines — including antibiotics — caused by overuse, incorrect use, and incomplete courses of treatment. Antimicrobial resistance is one of the greatest public health threats of the 21st century.
Malnutrition
Impaired nutrition — including both undernutrition (insufficient energy, protein, vitamins, or minerals) and overnutrition (excess energy intake). Both forms of malnutrition impair health, development, and immune function.
Prevention
Actions taken to reduce the risk of illness before it occurs — including vaccination, handwashing, safe water, nutrition, and health screening. Prevention is almost always more cost-effective and less harmful than treatment.
Health misinformation
False or misleading health claims — about causes, treatments, prevention, or diagnosis — that can lead people to make harmful health decisions. Health misinformation is widespread on social media and in community networks and is a major public health problem.
Skill-Building Activities
Activity 1 — How vaccines work: the immune system's memory
PurposeStudents understand the mechanism of vaccination — replacing common misconceptions with accurate scientific understanding that supports informed decision-making and reduces vaccine hesitancy.
How to run itBegin with the question: how does your body know how to fight a disease it has never seen before? The honest answer: it has to learn the first time, which takes time and is why you feel ill. But once it has learned, it remembers — and the next time that pathogen appears, the response is much faster and stronger, usually stopping the infection before you feel anything. This is immunological memory. Vaccination exploits this: by introducing the immune system to something that looks like a dangerous pathogen but cannot cause disease (a killed pathogen, a weakened version, or just the surface proteins), vaccination teaches the immune system to recognise the real pathogen — without the danger of the real infection. Ask: can you think of an analogy from everyday life? (Learning a skill — the first time is slow and difficult; the second time much faster because you remember.) Now address common misconceptions directly. Misconception: vaccines cause the disease they prevent. Response: vaccines use components that trigger an immune response but cannot cause the disease itself — killed or inactivated pathogens cannot reproduce; protein subunits are not the whole pathogen. Misconception: natural infection is better than vaccination. Response: natural infection does create strong immunity but at the cost of the illness and its potential complications — some of which are fatal. Vaccination provides the immunity without the risk. Misconception: vaccines contain harmful ingredients. Response: vaccine ingredients are tested extensively for safety; trace amounts of adjuvants, preservatives, and other components are at concentrations that are not harmful.
💡 Low-resource tipWorks entirely through discussion. No technology needed. The immune system analogy — teaching a skill the first time is slow, the second time much faster because of memory — is universally understandable. Teachers should be prepared to address local vaccine hesitancy concerns directly and respectfully — dismissing concerns without engaging with them is counterproductive.
Activity 2 — Evaluating a health claim: is this true?
PurposeStudents practise applying a structured framework to evaluate health claims — building the critical health literacy skill that protects against misinformation.
How to run itPresent four health claims that students are likely to have heard — adapted to local context. Choose a mix of true, false, and uncertain claims. Example claims (adapt to local context): drinking hot water with lemon prevents malaria; children should be vaccinated against measles; eating only local traditional foods prevents all chronic disease; a herbal remedy sold in the market cures HIV. For each claim, apply five questions. Who is making this claim? What are their qualifications and what is their motivation? Is there any scientific evidence? Have well-designed studies tested this? Does this claim align with or contradict the scientific consensus — what do public health authorities say? Could this information cause harm if believed — what happens to someone who follows this advice? Is there a plausible mechanism — does the claim make biological sense? After evaluating each claim, reach a verdict: supported by evidence, contradicted by evidence, or insufficient evidence to judge. Debrief: was it easy or hard to evaluate these claims? What additional information would have helped? Where could you go to find reliable health information in your community? Introduce two or three specific reliable local sources: the local clinic, the national health authority website if accessible, the WHO.
💡 Low-resource tipWorks entirely through discussion. The claims should be genuinely local — ones students have actually heard, from sources they recognise. The most effective version of this activity uses claims that some students in the class currently believe, which requires the teacher to handle disagreement sensitively and respectfully.
Activity 3 — Using health services: getting the most from a clinic visit
PurposeStudents learn how to use healthcare services effectively — what to bring, what to say, what questions to ask, and what to do with the information and treatment received.
How to run itBegin with the question: have you or someone in your family ever left a clinic or health worker visit still not understanding what was wrong or what to do? This is common and has nothing to do with intelligence — health information is often delivered in technical language, under time pressure, in a setting that feels unfamiliar or intimidating. Introduce the three phases of an effective clinic visit. Before: prepare by noting when the symptoms started, how severe they are, what makes them better or worse, what medicines you are already taking, and any relevant medical history. Take this information with you. During: tell the health worker your symptoms clearly and completely. Ask the three most important questions: what do I have? What do I need to do? When should I come back? Do not leave until you understand the answers. Ask the health worker to repeat or explain anything you did not understand. After: follow the treatment instructions exactly as given. Complete the full course of any medicines even if you feel better. Return if symptoms worsen or do not improve as expected. Role-play a clinic visit in pairs — one student is the health worker, one is the patient. The patient presents a health problem; the health worker gives advice. Then debrief: what did the patient do well? What did they forget to ask? What information did they leave without?
💡 Low-resource tipNo materials needed. The role-play requires only two students and any topic. In contexts where clinic visits are expensive, infrequent, or culturally challenging, the practical preparation advice is especially valuable — maximising the value of each visit that does occur. Address practical barriers honestly: distance, cost, waiting times, cultural preferences for traditional medicine.
Reflection Questions
  • Q1Have you heard health claims in your community that you were not sure were true? What were they and how did you decide what to believe?
  • Q2Is there a health condition that is common in your community but that people rarely talk about openly? Why is it not talked about? What are the consequences of the silence?
  • Q3What would you do if someone in your family refused to take a vaccine or medicine that you believed would help them? What would you say?
  • Q4What is the difference between a traditional healer and a medical doctor? Can they work together, or are they always in conflict?
  • Q5What does antimicrobial resistance mean — and why does it matter that people complete their full course of antibiotics?
  • Q6What makes it hard for people in your community to access healthcare when they need it? Which barriers are the hardest to address?
Practice Tasks
Task 1 — Evaluate a health claim
Choose a health claim you have heard in your community or online. Apply the five-question evaluation framework: (a) who is making the claim and what is their motivation? (b) what scientific evidence exists? (c) does it align with or contradict the scientific consensus? (d) what harm could result from believing it? (e) is there a plausible biological mechanism? Write your verdict: supported, contradicted, or insufficient evidence — with your reasoning. Write 4 to 6 sentences.
Skills: Applying the health claim evaluation framework to a real locally known claim — practising the most important critical health literacy skill
Model Answer

The health claim I am evaluating is that drinking water with salt and lime juice can prevent cholera. The claim is made by community members passing it on from person to person — no one knows the original source, and there is no professional health authority behind it. The scientific evidence on cholera prevention is clear: cholera is prevented by safe water, sanitation, and handwashing — not by drinking salty lime water, which has no antimicrobial properties against Vibrio cholerae, the bacterium that causes cholera. This claim contradicts the scientific consensus from the WHO and national health authority on cholera prevention. The harm from believing this claim is significant: people who believe it might feel protected and therefore not take the actual preventive measures — safe water storage, handwashing, avoiding contaminated food — that would genuinely protect them. There is no plausible biological mechanism: lime juice is mildly acidic but is not consumed in quantities sufficient to have antimicrobial effect in the gut. My verdict: this claim is contradicted by evidence and potentially harmful.

Marking Notes

Award marks for: a genuine and locally known claim; honest application of all five questions rather than just the ones that support the conclusion; a verdict that follows from the analysis; and an explanation of the specific harm that believing the claim could cause. Strong answers will acknowledge when aspects of a claim are plausible or partially true, rather than dismissing everything associated with traditional or informal health practice.

Task 2 — Health advocacy letter
Choose a health problem that is common in your community but that is not being adequately addressed. Write a letter to a health authority, community leader, or school administration with: (a) a description of the problem and who it affects; (b) evidence about the scale and impact; (c) what you know about the causes; (d) a specific, realistic request for action. Write the letter formally, as if you will actually send it.
Skills: Connecting health literacy to civic action — practising health advocacy as a form of active citizenship
Common Mistakes
Common misconception

Antibiotics are effective against all infections, including viral ones.

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What to teach instead

Antibiotics kill or inhibit bacteria and have no effect on viruses. Most common respiratory infections — colds, flu, most coughs and sore throats — are caused by viruses and will not be helped by antibiotics. Taking antibiotics for viral infections does not shorten the illness, causes side effects including disruption of the gut microbiome, and contributes to antimicrobial resistance — one of the most serious global public health threats. Antibiotics should only be used for confirmed or strongly suspected bacterial infections and always for the prescribed duration.

Common misconception

Vaccines contain live viruses and can cause the diseases they prevent.

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What to teach instead

Most vaccines do not contain live, fully active viruses. They may contain killed (inactivated) pathogens, weakened (attenuated) versions that cannot cause disease in healthy people, specific proteins from the pathogen surface, or (in newer mRNA vaccines) instructions for the body to produce those proteins temporarily. None of these can replicate in the body and cause the full disease. Some live attenuated vaccines (such as the oral polio vaccine or MMR) can very rarely cause mild symptoms in immunocompromised individuals — this risk is monitored and weighed against the much larger benefits of vaccination.

Common misconception

Traditional medicine and biomedical medicine are completely opposed — you must choose one.

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What to teach instead

Traditional medicine and biomedical medicine often address different needs and have different evidence bases. Some traditional treatments have been scientifically validated and are the source of important pharmaceuticals — artemisinin for malaria came from traditional Chinese medicine; many antibiotics derive from soil bacteria used in traditional remedies. Others have not been systematically tested. The appropriate stance is evidence-based evaluation of specific treatments rather than wholesale acceptance or rejection of either system. For serious, acute, or life-threatening conditions, biomedical treatment with the strongest evidence base is generally the safest choice. Many people use both systems, which requires care about interactions between treatments.

Common misconception

Healthy people do not need regular health checks.

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What to teach instead

Many serious conditions — including hypertension, diabetes, HIV, tuberculosis, and some cancers — are asymptomatic in their early stages but much easier to treat when caught early. Regular health checks, particularly for conditions with high prevalence in the local population, can identify these conditions before they become advanced. The specific checks recommended depend on age, sex, family history, and local disease epidemiology — a health worker can advise on what is most important locally. In resource-limited settings, targeted screening for the highest-burden conditions is the most practical approach.

Key Ideas at This Level
1 Evidence-based medicine — how medical knowledge is produced and evaluated
2 The social determinants of health — why health outcomes are so unequal
3 Mental health literacy — understanding and addressing mental health conditions
4 Sexual and reproductive health — the knowledge everyone needs
5 Global health — major disease burdens, health systems, and health justice
6 Health systems — how healthcare is organised, funded, and accessed
Teacher Background

Health literacy at secondary level engages students with the deeper scientific, social, and political dimensions of health — how medical knowledge is produced and evaluated, why health is so unequally distributed, the specific domains of mental health and sexual and reproductive health, and the structure and justice questions of health systems.

Evidence-based medicine

The systematic evaluation of medical interventions through clinical trials, meta-analyses, and systematic reviews is the methodological foundation of modern medicine. The hierarchy of evidence — from expert opinion at the base, through case reports, observational studies, randomised controlled trials, and meta-analyses — is essential for evaluating health claims. Understanding concepts like placebo effects, selection bias, publication bias, and statistical significance helps students evaluate health research more critically. The replication crisis in biomedical research — the finding that a substantial proportion of published studies cannot be replicated — is an important caveat that makes the quality of evidence assessment even more important.

Social determinants of health

Health outcomes are profoundly shaped by social, economic, and environmental conditions — income, education, housing, employment, social connection, and access to healthcare. The social gradient of health — the observation that health outcomes improve consistently at every step up the social hierarchy — is one of the most robust findings in public health. Life expectancy can vary by ten to twenty years between wealthy and poor neighbourhoods in the same city. Understanding this produces more accurate analysis of why some communities are less healthy than others than simply attributing health differences to individual behaviour.

Sexual and reproductive health

This is an area of significant educational neglect in many contexts, where misinformation causes serious harm — unwanted pregnancy, sexually transmitted infections, maternal mortality, and lack of access to family planning. Accurate, age-appropriate information about contraception, STI prevention, reproductive anatomy, consent, and safe pregnancy is essential health literacy content that students have a right to receive.

Key Vocabulary
Evidence-based medicine
The practice of making medical decisions using the best available evidence from systematic research — evaluated according to its quality and relevance — rather than tradition, authority, or anecdote alone.
Randomised controlled trial (RCT)
The gold standard method for testing medical interventions — randomly assigning participants to receive either the treatment or a placebo, with neither participants nor researchers knowing who received which until results are analysed.
Placebo effect
The measurable improvement in symptoms that occurs when people believe they are receiving effective treatment, even when the treatment contains no active ingredient. The placebo effect is real and must be controlled for in clinical trials.
Social determinants of health
The conditions in which people are born, grow, live, work, and age — including income, education, housing, and social connection — which are the primary drivers of health outcomes, more influential than medical care or individual health behaviours.
Health equity
The principle that all people should have a fair opportunity to achieve their full health potential — and that preventable differences in health outcomes between social groups are unjust. Distinct from health equality (identical treatment for all).
Universal health coverage
A health system goal in which all people can access the health services they need without suffering financial hardship. Universal health coverage is a target of the UN Sustainable Development Goals and remains unrealised in most low-income countries.
Mental health literacy
Knowledge and beliefs about mental health conditions that aid their recognition, management, and prevention — including understanding causes, treatments, and how to seek help. Low mental health literacy contributes to delayed treatment and stigma.
Antimicrobial resistance
The ability of bacteria, viruses, fungi, and parasites to resist the effects of antimicrobial medicines — caused by overuse and misuse. WHO identifies antimicrobial resistance as one of the greatest threats to global public health.
Informed consent
Agreement to receive medical treatment based on adequate understanding of the proposed intervention, its risks, benefits, and alternatives. Informed consent is both a legal requirement and an ethical principle in healthcare.
Reproductive rights
The rights of individuals to make decisions about their own reproduction — including the right to access contraception, safe abortion where legal, maternity care, and freedom from coerced sterilisation or childbearing.
Skill-Building Activities
Activity 1 — How do we know? The evidence hierarchy in medicine
PurposeStudents understand how medical knowledge is produced and evaluated — developing the ability to assess the quality of health evidence they encounter and to resist both blind deference to authority and dismissal of scientific consensus.
How to run itIntroduce the evidence hierarchy in medicine. Level 1 — Expert opinion and case reports: a doctor reports that a patient improved after taking a treatment. Useful for generating hypotheses but not for establishing effectiveness. Why? No comparison group; the patient might have recovered anyway. Level 2 — Observational studies: people who took the treatment are compared with similar people who did not. Better — but selection bias means the groups may differ in important ways. Level 3 — Randomised controlled trial: participants are randomly assigned to treatment or placebo. Random assignment controls for most confounders. The gold standard for testing interventions. Level 4 — Systematic review and meta-analysis: combines the results of many RCTs on the same question to give the most reliable overall estimate. The highest level of evidence. Now present three health claims with different evidence levels and ask students to assess the strength of evidence for each. Claim with expert opinion evidence only: a well-known traditional healer says his treatment cures diabetes. Claim with observational evidence: a study of 1000 people finds that those who eat more fish have lower rates of heart disease. Claim with RCT evidence: a trial of 5000 people finds that daily aspirin reduces the risk of a second heart attack by 25 percent. Discuss: what would you need to know to evaluate each claim? What further studies would change your assessment? Introduce the important caveat: even RCTs can be badly designed, selectively reported, or funded by interested parties. The quality of the evidence hierarchy must be evaluated, not just the level.
💡 Low-resource tipWorks entirely through discussion. Use locally familiar health claims — the evidence hierarchy applied to something the students recognise is far more engaging and useful than applying it to abstract examples. Students who can identify the level of evidence behind health practices they have seen in their own community are more able to make informed decisions.
Activity 2 — Social determinants: why are some communities less healthy?
PurposeStudents examine the social, economic, and political determinants of health — developing the structural analysis that explains health disparities without resorting to victim-blaming.
How to run itPresent data on health disparities — adapted to local or national context. Examples: life expectancy in the wealthiest neighbourhood compared to the poorest; child mortality rates by income level; rates of specific diseases by rural versus urban location; maternal mortality by education level. Ask: what explains these differences? List student suggestions. Now introduce the evidence. Explanation 1 — Individual behaviour: perhaps poorer communities make worse health choices. Ask: is this well-supported? Are poorer communities actually less aware of healthy behaviours — or is it that healthy behaviour is harder for them to maintain? (Safe water is expensive; nutritious food is expensive; time for exercise is limited by multiple jobs; stress reduces health-promoting behaviour.) Explanation 2 — Access to healthcare: poorer communities often have fewer and lower-quality health facilities. But access to healthcare explains only a small portion of health disparities — most differences in health outcomes are produced before people ever reach a healthcare facility. Explanation 3 — Social determinants: housing quality, income security, work conditions, education, and social connection all directly affect health biology — through stress (allostatic load), nutrition, exposure to pollutants and pathogens, and access to safe environments for activity and rest. Ask: what are the implications for health policy? If social determinants drive most health disparities, does improving healthcare access address the root cause? What would actually reduce the disparities you identified?
💡 Low-resource tipWorks entirely through discussion. Use genuinely local data where available — even rough estimates of health differences between richer and poorer communities within the same town or region are more powerful than international statistics. Students who can connect the social determinants framework to something they have observed in their own community engage most honestly.
Activity 3 — Sexual and reproductive health: the information everyone needs
PurposeStudents receive accurate, evidence-based information about sexual and reproductive health — in a context where this information is often withheld or distorted — building the foundation for informed, safe, and autonomous decision-making.
How to run itNote: This activity requires careful preparation and sensitivity to local cultural and school context. It should be taught by a teacher comfortable with the content. In many contexts, an external health worker can co-facilitate. Begin by establishing ground rules: respectful questions only, all questions welcome, no judgement, what is discussed here stays here. Frame the session: you have a right to accurate health information about your own body. Lack of information does not protect people — it leaves them making decisions without the knowledge they need. Cover the core content areas appropriate to age and context, including contraception: how pregnancy occurs and how different methods of contraception work, their effectiveness, and how to access them; sexually transmitted infections: how common STIs are transmitted, prevented, and treated — emphasising that most are treatable but that untreated STIs cause serious harm; consent: what it means to give and receive consent freely, and what situations make consent impossible; pregnancy and maternal health: what good antenatal care involves and why it matters; and where to get help: specific, accessible local services for sexual and reproductive health. Throughout: use correct anatomical terminology, provide information accurately without value judgements, and create genuine space for anonymous questions — cards submitted in advance are often more effective than live questioning.
💡 Low-resource tipCan be adapted to local content and cultural context. The most important things are: accuracy, non-judgement, and genuine information rather than information designed primarily to discourage certain behaviours. Anonymous question cards (written or passed verbally) allow students who cannot ask publicly to get the information they need.
Reflection Questions
  • Q1The social gradient of health shows that health outcomes improve consistently at every step up the social hierarchy — not just for the very poorest versus the very richest, but all the way up. What does this tell us about the relationship between inequality and health?
  • Q2Evidence-based medicine relies on randomised controlled trials — but RCTs are expensive, sometimes unethical, and often funded by the pharmaceutical companies whose products they are testing. How much should we trust the evidence hierarchy in medicine?
  • Q3Universal health coverage is a global goal — the right of everyone to access the care they need without financial hardship. What would be required to achieve this in your country? What are the main barriers?
  • Q4Mental health conditions affect a large proportion of the global population but receive only a small fraction of health funding. Why is this — and what would need to change for the funding to match the burden?
  • Q5In many communities, sexual and reproductive health information is withheld from young people on the grounds that it will encourage risky behaviour. What does the evidence actually show about this approach?
  • Q6Traditional medicine systems — Ayurveda, traditional Chinese medicine, African traditional medicine, indigenous plant medicine — are used by a majority of the world's population. What is the appropriate relationship between traditional medicine and biomedical medicine in healthcare systems?
Practice Tasks
Task 1 — Health system analysis
Analyse the healthcare system in your country or region. Include: (a) how it is funded and organised — who pays and who provides; (b) who has access and who is excluded; (c) what the main health challenges are that the system must address; (d) how well it meets the standard of universal health coverage; (e) one structural change that would most improve health outcomes for the most vulnerable people. Write 300 to 400 words.
Skills: Applying health literacy to health systems analysis — connecting individual health knowledge to civic and political dimensions of public health
Task 2 — Essay: health and justice
Choose ONE of the following questions and write a 400 to 600 word essay. (a) The social determinants of health — income, education, housing — cause more variation in health outcomes than medical care. Does this mean that health policy should focus less on healthcare and more on social conditions? (b) Evidence-based medicine is the most reliable guide to health decisions — but it is produced primarily in wealthy countries on populations that may not represent the global majority. What are the implications for health decision-making in low-income countries? (c) Young people have a right to accurate sexual and reproductive health information, regardless of the cultural or religious norms of their community. Do you agree?
Skills: Constructing a reasoned argument about the relationship between health, evidence, and justice
Common Mistakes
Common misconception

If a treatment has been used for generations, it must work.

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What to teach instead

The longevity of a treatment's use is not evidence of its effectiveness. Many traditional treatments have been used for generations and have been found, when rigorously tested, to work no better than placebo. Others have been validated by systematic research and are now incorporated into evidence-based medicine. Duration of use is a starting point for investigation, not a conclusion. The relevant question is not how long has this been used but is there controlled evidence that it works and that its benefits outweigh its risks? Tradition can produce genuine wisdom — but it can also transmit placebos and harmful practices across generations.

Common misconception

Natural means safe and chemical means dangerous.

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What to teach instead

This framing is scientifically incoherent — everything is a chemical, including every component of every natural remedy. Many naturally occurring substances are highly toxic (arsenic, ricin, many plant alkaloids). Many synthetic substances are extremely safe and effective. The relevant question for any substance is what evidence exists about its effects at specific doses? — not whether it is natural or synthetic. The marketing use of natural as a synonym for safe exploits this misconception and causes genuine harm when it leads people to use unproven natural remedies instead of evidence-based treatments.

Common misconception

Mental health problems are not real illnesses — they are personal weakness or spiritual problems.

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What to teach instead

Mental health conditions are real medical conditions with documented neurobiological bases, evidence-based treatments, and significant impacts on quality of life and functioning. Depression involves measurable changes in brain structure and neurotransmitter function. Schizophrenia has both genetic and environmental causes and responds to specific medications. Anxiety disorders involve dysregulation of identifiable neural circuits. This does not mean that psychological, social, and spiritual dimensions of mental health conditions are irrelevant — they are important for understanding and treating these conditions. But the belief that mental illness is personal weakness prevents people from accessing the treatments that could help them.

Common misconception

Comprehensive sexual health education encourages young people to have sex earlier.

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What to teach instead

Multiple systematic reviews of evidence consistently show that comprehensive sexual health education does not increase rates of sexual activity or age of first intercourse. It is associated with later sexual debut in some studies, reduced rates of unintended pregnancy and STIs, and higher rates of contraceptive use among those who are sexually active. Abstinence-only education, by contrast, has been found in multiple trials to have no effect on delaying sexual activity and is associated with lower contraceptive use when young people do become sexually active — because they have not received accurate information about contraception. The evidence strongly supports comprehensive, accurate sexual health education.

Further Practice & Resources

Key texts and resources: the WHO's World Health Report (annual, freely available at who.int) provides the most authoritative global overview of health systems and disease burdens. For evidence-based medicine: Ben Goldacre's Bad Science (2008, Fourth Estate) is the most entertaining and accessible account of how medical evidence is produced, distorted, and misrepresented — essential reading for teachers. His Bad Pharma (2012) extends this to pharmaceutical research specifically. For social determinants: Michael Marmot's The Status Syndrome (2004, Times Books) and his work on the social gradient of health are the most accessible accounts; his UCL Institute of Health Equity (instituteofhealthequity.org) provides free resources. For health equity globally: Paul Farmer's work — particularly Pathologies of Power (2003, UC Press) — provides the most morally serious account of global health injustice. Partners in Health (pih.org) provides free case study resources on health delivery in resource-limited settings. For mental health: the Lancet Commission on Global Mental Health (2018) is freely available and provides the most comprehensive current account of the global mental health burden and the gap between need and provision. For sexual and reproductive health: the WHO's guidelines on adolescent sexual health and the Guttmacher Institute's research on sexual and reproductive health globally are both freely available. For African health contexts: the Africa Health Research Institute (ahri.org), the African Population and Health Research Center (aphrc.org), and the East African Medical Journal provide regionally specific resources. For school-based health education: the International Technical Guidance on Sexuality Education (UNESCO, 2018) is freely available and provides the evidence base for comprehensive sexuality education.