Mind Matters: The Body's Response to Nicotine, Tobacco and Vaping National Institute on Drug Abuse (NIDA) Vapes might be less harmful than traditional cigarettes and might help smokers quit smoking, but they are not safe, especially for individuals younger than 25 years old. Plus, much is still unknown How to Quit Vaping, According to Experts The New York Times Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN