Depression Stick!: Vaping & The U.S. Teen Mental Health Crisis Avery's House SayNoToVaping Say 'No' to anxiety and depression. Most vapes contain nicotine and chronic nicotine exposure can impact brain development. This can contribute to cognitive and attention deficit conditions and worsen mood Associations between vaping, mental health and risky health behaviours over time in Australian men Australian Institute of Family Studies 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,