On the rise or a return to pre-pandemic levels? A cross-sectional online survey on nicotine, alcohol, and illicit drug use among youth.

Objectives: The COVID-19 pandemic has had unprecedented and deteriorating effects on the mental health of adolescents and young adults. Various studies have described changes regarding substance abuse, but findings are conflicting.

Study Design: We conducted a cross-sectional online survey on nicotine, alcohol, and illicit drug use.