Cannabis, tobacco, and electronic cigarette intake may increase an individual's susceptibility to depression and anxiety.

This study focused on the effect of the use of cannabis, conventional, and electronic cigarettes on the incidence of anxiety and depression. Researchers tracked the lifestyle habits and mental health of more than 50,000 American adults.

Comparing the prevalence of anxiety and depression between users and non-users of cannabis and cigarettes, researchers noticed depression and anxiety occurred at higher rates among e-cigarettes, cannabis, and tobacco users. The findings of this study showed that the use of cannabis and cigarettes might push the burden of anxiety and depression among adults in the upward direction.