Lifestyle and disease (AQA GCSE Biology): Flashcards
📚Flashcards
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15 cards from this deck
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Practise the cards
15 cards from this deck
What is obesity?
What is obesity?
Being very overweight
Obesity is a risk factor for
Obesity is a risk factor for
Type 2 diabetes
How exercise prevents cardiovascular disease
How exercise prevents cardiovascular disease
Helps control body weight
Inherited factors
Inherited factors
Health factors from genes, not lifestyle
Example of an inherited factor
Example of an inherited factor
High blood cholesterol levels
Carcinogens
Carcinogens
Toxic substances that damage cells
Cancer definition
Cancer definition
Cells change and grow uncontrollably
Benign tumours characteristics
Benign tumours characteristics
Stay in one place, don't spread, not cancerous
Malignant tumours characteristics
Malignant tumours characteristics
Cancers that invade tissues and spread
Secondary tumours
Secondary tumours
Tumours formed when cancer spreads to new locations
Purpose of control groups
Purpose of control groups
To test ideas properly and ensure valid results
What makes studies reliable
What makes studies reliable
Many people, control groups, similar characteristics
How scientists prove causation
How scientists prove causation
Show link to disease & work out mechanism
Physical cancer risk factor
Physical cancer risk factor
Exposure to ionising radiation
Multiple factors in disease
Multiple factors in disease
Many factors work together, not just one