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Deaths. 1,106,000 US residents (1968–2020) [ 4 ] A person using an inhalant. Substance abuse, also known as drug 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 abuse are used in public health, medical, and criminal ...
Methamphetamine. Methamphetamine[ note 1] (contracted from N-methylamphetamine) is a potent central nervous system (CNS) stimulant that is mainly used as a recreational drug and less commonly as a second-line treatment for attention deficit hyperactivity disorder and obesity. [ 23] Methamphetamine was discovered in 1893 and exists as two ...
A psychoactive drug, mind-altering drug, or consciousness-altering drug is a chemical substance that changes brain function and results in alterations in perception, mood, consciousness, cognition, or behavior. [ 1] The term psychotropic drug is often used interchangeably, while some sources present narrower definitions.
This is a list of psychiatric medications used by psychiatrists and other physicians to treat mental illness or distress. The list is ordered alphabetically according to the condition or conditions, then by the generic name of each medication. The list is not exhaustive and not all drugs are used regularly in all countries.
Addiction affects the brain circuits of reward and motivation, learning and memory, and the inhibitory control over behavior. [24] There are different schools of thought regarding the terms dependence and addiction when referring to drugs and behaviors. One adopted belief is that "drug dependence" equals "addiction."
Definition. A stimulant is an overarching term that covers many drugs including those that increase the activity of the central nervous system and the body, [ 1] drugs that are pleasurable and invigorating, or drugs that have sympathomimetic effects. [ 2] Sympathomimetic effects are those effects that mimic or copy the actions of the ...
Some dissociative drugs are used recreationally. Ketamine and nitrous oxide are club drugs. Phencyclidine (PCP or angel dust) is available as a street drug. Dextromethorphan-based cough syrups (often labeled DXM) are taken by some users in higher than medically recommended levels for their dissociative effects.
Lysergic acid diethylamide, commonly known as LSD (from German Lysergsäure-diethylamid ), and known colloquially as acid or lucy, is a potent psychedelic drug. [ 12 ] Effects typically include intensified thoughts, emotions, and sensory perception. [ 13 ] At sufficiently high dosages, LSD manifests primarily mental, visual, and auditory ...