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 ...

Addiction is an umbrella term that reflects qualities of substance use disorder, characterized by an inability to stop using a substance despite harmful consequences. However, addiction is not a ...

Substance-induced mood disorders, or mental disorders, are persistent mental health conditions impacting mood that stem from the physiological effects of substances, certain medications, heavy metals, ...