- Children exposed to secondhand smoke are more likely to develop asthma, ear infections, and sudden infant death syndrome (SIDS).
- Teens who grow up around smokers are more likely to become smokers themselves.
- Marijuana smoke, like tobacco smoke, contains toxic and cancer-causing chemicals. Secondhand smoke can affect brain development in youth and impair attention and memory.
- Vaping indoors or in cars still affects everyone nearby—even if there’s no flame.