E Cigarette, or Vaping, Products Visual Dictionary What's REALLY in your cigarette or vape? You're not just inhaling nicotine. Cigarettes contain arsenic, ammonia, and formaldehyde yes, the same stuff used to embalm bodies. Vapes? Heavy metals, toxic chemicals, E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA Vaping & Cancer: Are We Creating a New Smoker Generation Without Cigarettes? What does latest science say? A large review of human, animal and lab studies now classifies nicotine vapes as likely DOH: Vaping not safer than smoking cigarettes