Vaping isn't harmless. Early nicotine use can harm brain development, affect how nerve cells work, and increase the risk of addiction. Young people who vape are 4x more likely to start smoking Vaping vs Cigarettes Health Impacts Compared The reality for teens who vape UT Physicians While vaping is not risk free, it is less harmful than tobacco Our World in Data Analysis suggests e cigarette use may be linked to lower rates of smoking