Understanding link between smoking and depression, anxiety can help you quit The Oakland Press People who vape are twice as likely to be depressed, study finds oregonlive.com 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, Electronic Cigarette Use Intentions Mediate the Association between Low Self Control and Future Use by Internalizing Symptoms Study: ECigarette Use Linked with Heart Attacks, Depression, Coronary Artery Disease Cardio Care Today