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 use disorder (SUD) affects a person’s ability to control their use of alcohol or drugs. SUD can affect various areas of a person’s life, such as work, school, or family responsibilities.

Substance-related disorders are common, affecting 40.3 million people over the age of 12 in the United States. Addiction may involve the use of prescribed drugs, such as opioid painkillers, common ...

A drug interaction happens when a substance affects how a drug behaves in the body. Some substances that can cause interactions include other drugs, supplements, food, and alcohol. Drug interactions ...