Vaping isn't harmless. Nicotine reaches your brain in seconds, raises heart rate and blood pressure, and can alter brain development especially in teens. Most flavored e cigarettes contain nicotine, making addiction easy and Research Links E Cigarettes to COPD and Hypertension Technology Networks E cigarettes linked to increased arterial stiffness, blood pressure and heart rate in humans ERS European Respiratory Society The W.H.O. estimates over 100 million people now vape globally, and most believe they're making the safer choice. But safer than smoking and safe are not the same thing. Vaping still delivers What is e Cigarette and Associated Health Risks IntechOpen Cardiovascular health effects of vaping e cigarettes: a systematic review and meta analysis Heart