Quiz: Japan, Smoking, and Lung Cancer: A Changing Story

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1. Q1.According to this article, what is the leading cause of lung cancer?

   AGreen teaBSmokingCRiceDCold air

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2. Q2.Why do lung cancer rates change slowly after smoking rates fall?

   ABecause lung cancer often develops decades after the smoking that contributed to itBBecause smoking has no effectCBecause rates never changeDBecause of the weather

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3. Q3.What does the article say about secondhand smoke?

   AIt is completely harmlessBIt only affects smokersCIt raises lung cancer risk for non-smokers tooDIt prevents cancer

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4. Q4.What does the article say about quitting smoking?

   AIt only helps if you quit before age 30BIt never helpsCIt makes risk worseDIt lowers risk at any age, and it is never too late to benefit

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This quiz checks understanding of educational content only. It is not medical advice. Read: Japan, Smoking, and Lung Cancer: A Changing Story.