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GCSE Biology · key term
A chronic condition involving excessive body-fat deposits and arising through interactions among energy balance, behaviour, genetics and the wider environment.
Used by Edexcel
Specification 5.24 · Paper 1
Revise: Obesity, Malnutrition and Lifestyle FactorsThis is not the whole explanation for obesity. Genetics, eating behaviour, illness, medicines and the availability and price of food can all affect body mass. Environments that provide cheap energy-dense food but few safe or convenient opportunities for activity can make healthy choices harder.
When explaining disease risk, give a causal chain rather than only stating a correlation, for example: long-term energy surplus → increased fat storage → obesity → greater risk of type 2 diabetes.
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