Evaluate the dangers of passive smoking.​
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A. Passive smoking or environmental tobacco smoke (ETS) is irritating, but for most people in most circumstances, it is not a major health risk.
1. The risk of lung cancer is slightly elevated by passive smoking.
2. The risk of heart disease is elevated by ETS, which presents a more pervasive risk than that from lung cancer.
B. Children are at greater danger than adults for illnesses from passive smoking.
1. Infants of smokers are at increased risk of sudden infant death.
2. Infants of smokers are at increased risk of respiratory diseases.
3. Smoking is a danger for the unborn, being associated with low birth weight.
4. The dangers of ETS decrease after children turn 2 years old.