Lung Disease & Risk Factors (AQA A-Level Biology): Flashcards
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Practise the cards
10 cards from this deck
COPD meaning
COPD meaning
Chronic Obstructive Pulmonary Disease
% of COPD patients who are/were heavy smokers
% of COPD patients who are/were heavy smokers
90%
5 major lung disease risk factors
5 major lung disease risk factors
Smoking, air pollution, genetics, infections, occupational
Example of air pollutant increasing COPD risk
Example of air pollutant increasing COPD risk
Sulfur dioxide
Heavy smokers definition & mortality age
Heavy smokers definition & mortality age
25+ cigarettes/day; complete mortality by age 82
Dose-response relationship (smoking)
Dose-response relationship (smoking)
More cigarettes = shorter life expectancy
Key difference: correlation vs causation
Key difference: correlation vs causation
Correlation doesn't prove causation
3 stages to establish causation
3 stages to establish causation
Hypothesise, experiment, theorise
UK smoking study start year
UK smoking study start year
1951
Non-smokers' life expectancy
Non-smokers' life expectancy
Many lived well beyond 80 years