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Evolutionary models of drug use seek to explain human drug usage from the perspective of evolutionary fitness. Plants for instance, may provide fitness benefits by relieving pain. Plants for instance, may provide fitness benefits by relieving pain.
The following is a table of drugs organized by their year of discovery. Naturally occurring chemicals in plants, including alkaloids, have been used since pre-history. In the modern era, plant-based drugs have been isolated, purified and synthesised anew.
David Franklin Musto (January 8, 1936 – October 8, 2010) was an American expert on U.S. drug policy and the War on Drugs who served as a government adviser on the subject during the Presidency of Jimmy Carter. He wrote extensively on the history of licit and illicit drugs and the process by which many of them were placed under governmental ...
Chemistry, not moral failing, accounts for the brain’s unwinding. In the laboratories that study drug addiction, researchers have found that the brain becomes conditioned by the repeated dopamine rush caused by heroin. “The brain is not designed to handle it,” said Dr. Ruben Baler, a scientist with the National Institute on Drug Abuse.
2009: Gil Kerlikowske, the current Director of the Office of National Drug Control Policy, signaled that the Obama administration would not use the term "War on Drugs," as he claims it is counter-productive and is contrary to the policy favoring treatment over incarceration in trying to reduce drug use. "Being smart about drugs means working to ...
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."
Drugs in ancient Rome were used for a variety of purposes. Cannabis and opium were used as medication to treat conditions such as insomnia or earaches. Roman doctors noticed the addictiveness of these drugs. They wrote that cannabis induced "a warm feeling" and opium was dangerous when diluted.
In 1987, the DSM-IIIR category "psychoactive substance abuse", which includes former concepts of drug abuse is defined as "a maladaptive pattern of use indicated by...continued use despite knowledge of having a persistent or recurrent social, occupational, psychological or physical problem that is caused or exacerbated by the use (or by ...