Drug addiction (substance use disorder) - Symptoms and causes
网页2022年10月4日 · Drug addiction, also called substance use disorder, is a disease that affects a person's brain and behavior and leads to an inability to control the use of a legal or illegal drug or medicine. Substances such as alcohol, marijuana and nicotine also are considered drugs.
Understanding Drug Use and Addiction DrugFacts
网页2018年6月6日 · Provides an overview of drug use and addiction, including what happens in the brain during drug use, why some people become addicted while others don't, and the importance of prevention.
What Is a Substance Use Disorder? - Psychiatry.org
网页People with SUD have an intense focus--sometimes called an addiction--on using a certain substance(s) such as alcohol, tobacco, or other psychoactive substances, to the point where their ability to function in day-to-day life becomes impaired.
Substance Use Disorder (SUD): Symptoms & Treatment
网页2024年9月9日 · Substance use disorder (SUD), formerly known as drug addiction, is a mental health condition where you experience a problematic pattern of substance use that affects your health and quality of life. Substances …
Drug Misuse and Addiction | National Institute on Drug Abuse
网页What is drug addiction? Addiction is defined as a chronic, relapsing disorder characterized by compulsive drug seeking and use despite adverse consequences. † It is considered a brain disorder, because it involves functional changes to brain circuits involved in reward, stress, and self-control.
Addiction: What It Is, Causes, Symptoms, Types & Treatment
网页Overview. What is addiction? Addiction is a chronic (lifelong) condition that involves compulsive seeking and taking of a substance or performing of an activity despite negative or harmful consequences. Addiction can significantly impact your health, relationships and overall quality of life.
Drug addiction (substance use disorder) - Diagnosis and ...
网页2022年10月4日 · Diagnosing drug addiction (substance use disorder) requires a thorough evaluation and often includes an assessment by a psychiatrist, a psychologist, or a licensed alcohol and drug counselor. Blood, urine or other lab tests are used to assess drug use, but they're not a diagnostic test for addiction.