Vaping harms your brain, which continues to develop into the early to mid 20s. Don't let vaping harm your health Vaping among teens declines, but health risks and addiction remain a concern News If you don't vape, don't start. Most e cigarettes contain nicotine, which is highly addictive and harmful to your health, especially for teens, young adults and those who are pregnant. Learn more about Health news round up: tobacco and vapes bill, unlicensed emergency medicine and GLP 1s in pregnancy The Pharmaceutical Journal E cigarette flavors are toxic to white blood cells, warn scientists Be A Vape Free Teen Cecil County Health Department