? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, 5 Vaping Facts You Need to Know Johns Hopkins Medicine Young people who vape are 3 times more likely to take up smoking cigarettes. Vaping can lead to lung damage and can be harmful for young brains, which are still developing until 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