What Are Substance Use Disorders And What Roles Do Tolerance?

What Are Substance Use Disorders And What Roles Do Tolerance? Substance use disorders occur when the recurrent use of alcohol and/or drugs causes clinically significant impairment, including health problems, disability, and failure to meet major responsibilities at work, school, or home. What are examples of substance use disorder? Opioid Use Disorder. Marijuana Use Disorder. Nicotine