Lifestyle & Non-Communicable Diseases (AQA GCSE Biology Combined Science): Flashcards
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Practise the cards
10 cards from this deck
Non-communicable diseases (NCDs)
Non-communicable diseases (NCDs)
Diseases that are not infectious & cannot pass from person to person
Three types of risk factors for NCDs
Three types of risk factors for NCDs
Lifestyle factors, environmental factors, substances in body
Correlation (in disease risk)
Correlation (in disease risk)
When two factors increase or decrease together
Causal mechanism
Causal mechanism
Explanation of how one factor directly influences another
Effect of high LDL cholesterol on heart
Effect of high LDL cholesterol on heart
Blocked arteries and increased blood pressure
How smoking contributes to heart disease
How smoking contributes to heart disease
Damages the walls of arteries
How obesity leads to Type 2 diabetes
How obesity leads to Type 2 diabetes
Fat releases molecules that impair cells' sugar absorption
Effect of excessive alcohol on liver
Effect of excessive alcohol on liver
Causes fatty liver, may progress to liver failure
How smoking affects lung cells
How smoking affects lung cells
Damages cells lining lungs, increasing disease & cancer risk
How carcinogens cause cancer
How carcinogens cause cancer
Damage DNA leading to cancer development