Substance use disorder (SUD) is a medical condition that affects the brain and behavior, making it difficult for a person to control their use of substances like alcohol, drugs, or medications even ...

Objective To investigate the association between concussion history and depressive symptoms after adjusting for physical activity, substance use, and illicit drug use. Methods We analysed data from ...

Substance use and substance use disorder differ by the frequency of use and the effect on a person’s life. Substance use disorder is a mental health condition. Substance use refers to using both legal ...