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In children, exposure to secondhand smoke is attributed to ear infections, asthma attacks, respiratory infections, and more

of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health, Washington, DC, p 709 Phillips DH (1983) Fifty years of benzo[ a ]pyrene

Participants were age 59 to 82 at the start of the study, which found that health risks were lower for those who had quit, especially at earlier ages

Certain genetics may contribute to the risk of smoking intensity and mental illness hospitalizations

E-cigarettes and respiratory health: the latest evidence