AP PSYCHOLOGY

Detailed explanation-1: -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.

Detailed explanation-2: -Patients are diagnosed with a specific type of disorder based on the primary substance that they misuse, such as an alcohol use disorder, or opioid use disorder, stimulant use disorder, marijuana use disorder or sedative use disorder.

Detailed explanation-3: -Types of Substance Use Disorders Alcohol use disorder. Cannabis use disorder, also known as marijuana use disorder. Phencyclidine use disorder, a type of hallucinogen.

Detailed explanation-4: -Overview. A substance use disorder (SUD) is a mental disorder that affects a person’s brain and behavior, leading to a person’s inability to control their use of substances such as legal or illegal drugs, alcohol, or medications.