Vaping may seem harmless, but most e cigarettes contain nicotine a highly addictive substance that can impact brain development in teens and young adults. It can also affect mood, attention, and increase the risk Staying away from vaping helps to keep you healthy and avoid an increased risk of seizures Stay free from vaping to protect your health ASH 2025 Report Insights into Adult E Cigarette Use in the UK MARKETS E Cigarettes and Teens Medical Associates of Northwest Arkansas Cases of Vaping Related Lung Illness Surge, Health Officials Say The New York Times E Cigarettes: Nicotine's Newest Red Herring Salud America