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      Risk factors for non-communicable diseases

      Lesson details

      Learning outcome

      I can describe the effects of lifestyle factors on the incidence of non-communicable diseases at local, national and global levels.

      Key learning points

      1. Risk factors affect the chance that a person will develop a non-communicable disease.
      2. Risk factors can be lifestyle factors, e.g. diet, smoking, environmental, e.g. air pollution, or genetic, e.g. alleles.
      3. Experiencing multiple factors can increase the likelihood a person will develop a particular disease.
      4. Interpreting data on non-communicable diseases and risk factors at local, national and global levels.
      5. The importance of peer review and communicating research on risk factors to a range of audiences.

      Keywords

      • Non-communicable disease - a disease that cannot be passed from person to person

      • Risk factor - something that increases the chance of ill health

      • Correlation - a relationship or pattern between two or more variables

      • Peer review - a process of subjecting an author's work, research or ideas to the scrutiny of other experts in the same field

      Common misconception

      Pupils may think that any health claim by a product must be true.

      Often no scientific research has been carried out on products claiming to be healthy.

      Teacher tip

      Whilst teaching the lesson, remind students that obesity levels are increasing year on year, nationally and globally.

      Equipment

      None required.

      Content guidance

      Depiction or discussion of sensitive content

      Supervision

      Adult supervision recommended

      Licence

      This content is © Oak National Academy Limited (2026), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

      Loading...

      Prior knowledge starter quiz

      6 Questions

      Q1.
      The instructions for an experiment or study are written in the ...

      Correct Answer: method

      Q2.
      What is a risk factor?

      Correct answer: Something that increases the chance of something harmful happening.
      Something that decreases the chance of something harmful happening.

      Q3.
      True or false? A non-communicable disease can be passed from person to person.

      true
      Correct answer: false

      Q4.
      Which diseases are non-communicable?

      tuberculosis
      measles
      Correct answer: stroke
      flu
      Correct answer: heart disease

      Q5.
      Which of the following are risk factors for heart disease?

      sun exposure
      Correct answer: smoking
      exercise
      Correct answer: poor diet
      Correct answer: lack of exercise

      Q6.
      True or false? Correlation is when one thing causes another.

      true
      Correct answer: false

      6 Questions

      Q1.
      Something that increases your chance of developing a disease is called a factor.

      Correct Answer: risk

      Q2.
      Match the risk factor to its type.

      Correct Answer:environmental,air pollution

      air pollution

      Correct Answer:genetic,being male

      being male

      Correct Answer:lifestyle,diet

      diet

      Q3.
      What is epidemiology the study of?

      mental health
      Correct answer: disease
      lifestyle factors
      genetics
      environment

      Q4.
      True or false? Eating more fibre is more likely to reduce the incidences of bowel cancer than eating less processed meat?

      An image in a quiz
      Correct answer: true
      false

      Q5.
      True or false? The more risk factors you have for a disease, the greater the chance of developing that disease.

      Correct answer: true
      false

      Q6.
      What do peer reviewers check?

      Correct answer: They check that the method is reliable.
      Correct answer: They check the data to see if they make the same conclusions.
      They check that the method is unique.
      They check that there is bias in the conclusions.
      Correct answer: They check that there is no bias in the conclusions.

      To help you plan your 10 biology lesson on: Risk factors for non-communicable diseases, download all teaching resources for free and adapt to suit your pupils' needs...