Juul, SMOK, elfbar: The real problem with vaping e cigarettes Vox While vaping is not risk free, it is less harmful than tobacco Our World in Data Did you know just three puffs of a vape can affect your heart and blood vessels? , Nicotine triggers a surge of adrenaline that raises heart rate and blood pressure, causing a 14 percent spike in ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Health effects of electronic cigarettes Wikipedia Vaping not only exposes young people to toxic and cancer causing chemicals, it can also have harmful effects on mental health. Our new report found that youth and young adults who vape experience