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 E Cigarettes and Vaping: Are They Really Safe? Is vaping better than smoking? Or is vaping worse than smoking? What's in e cigarettes, and are they safe? A few issues to consider before you 'vape.' The Washington Post