We know you’ve heard it before, but the fact remains: Smoking causes cancer (second-hand smoke included). “It has to be said,” notes Tasha Stoiber, Ph.D., a senior scientist at Environmental Working Group. “It’s the most obvious carcinogen, and the one where people can make a change.” (Check out these quitting resources from the Centers for Disease Control.)
For kids and teens, the key is to never start, says Aparna Bole, Ph.D., chair of the Council on Environmental Health. But with the recent boom in e-cigarettes, pediatricians are scrambling to prevent a new generation of smokers. “E-cigarettes are very expensive, and we’re seeing adolescents and young adults getting hooked on them, they often switch to cigarettes, which are cheaper,” Dr. Bole says.