Drug addiction (substance use disorder) - Mayo Clinic 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 When you're addicted, you may
Substance Use Disorder - Causes, Symptoms, Treatment Help To prevent misuse and increase treatment and recovery, SAMHSA works to educate about the risks of substance use, increase prevention activities, fund community-based treatment services, support recovery, and gather and evaluate data about substance use across the nation
Substance abuse - Wikipedia Substance misuse, also known as drug misuse or, in older vernacular, substance abuse, is the use of a drug in amounts or by methods that are harmful to the individual or others It is a form of substance-related disorder , differing definitions of drug misuse are used in public health , medical, and criminal justice contexts