Vaping (e Cigarette, Marijuana) Facts, Health Risks, Mental Health, Cough, Addiction 5 Vaping Facts You Need to Know Johns Hopkins Medicine Vaping not prior smoking is associated with changes in gene regulation linked to disease The Effects of Smoking and Vaping on Fertility Teen vaping rising fast, and Harvard official is concerned Harvard Gazette No, vapes aren't 95% less harmful than cigarettes. Here's how this decade old myth took off