Depressed teenagers twice as likely to vape, study finds Our Futures Institute Vaping is often advertised as harmless, but it has serious health effects, including worsening mental health. As expert Laura Crotty Alexander, MD, UC San Diego, explains to host Erika Moseson, MD, MA, Study finds depressed adolescents twice as likely to vape How to Quit Vaping and Stop Vape Withdrawal Oro House Vaping may seem harmless, but many products contain nicotine, toxic chemicals, and ultra fine particles that can damage the lungs and heart. For teens, nicotine can also affect brain development, attention, mood, and