5 Vaping Facts You Need to Know Johns Hopkins Medicine Myth: Vape & heated tobacco products are safer alternatives to cigarettes. Truth: They are harmful products; they contain nicotine & toxic substances that can have harmful effects & long term consequences on brain Is Vaping Safer Than Smoking? Let's Talk Science Talking to Your Teen Who Vapes University of Rochester Medicine Vaping or Cigarettes: What's Better for You? Vaping may be perceived as a safer alternative to smoking cigarettesbut the heart tells a different story. Nicotine raises heart rate and blood pressure Chemicals in e cigarette aerosol can damage