A 55-year-old man has a BMI of 34.
He smokes 20 cigarettes a day, drinks 6 units of alcohol most days and does very little exercise. His father died of a heart attack.
Explain how these factors could interact to affect the man's risk of non-communicable diseases.
44 exam-style questions on Edexcel GCSE Biology 5.4 Non-communicable diseases, covering 5.4.1 Interaction of factors in non-communicable disease, 5.4.2 Lifestyle factors and non-communicable disease, and 5.4.3 Treatments for cardiovascular disease. Each one has a worked solution and a mark scheme showing where the marks go.