🫁Lung Age Calculator (FEV1)
Lung age estimates the age of your lungs from FEV1 spirometry, comparing actual function to predicted function for different ages. Used in smoking cessation — telling a smoker their lungs are 10 years older is more motivating than quoting FEV1%.
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Did You Know?
Showing smokers their calculated lung age reduced smoking rates by 12% compared to just showing FEV1% — demonstrating how framing biological data motivates behaviour change.
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