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Poppers is an inhaled drug which contains a range of alkyl nitrites, such as isobutyl nitrite and amyl nitrite. [11] Despite its primary usage as a potent vasodilator , [ 11 ] its popularity among the homosexual community largely stems from its ability to facilitate anal sexual intercourse by relaxing the smooth muscles in the internal anal ...
Some health professionals choose to avoid the terms alcohol or drug "abuse" in favor of language considered more objective, such as "substance and alcohol type problems" or "harmful/problematic use" of drugs. The Health Officers Council of British Columbia — in their 2005 policy discussion paper, A Public Health Approach to Drug Control in ...
"Substance use pertains to using select substances such as alcohol, tobacco, illicit drugs, etc. that can cause dependence or harmful side effects."On the other hand, substance abuse is the use of drugs such as prescriptions, over-the-counter medications, or alcohol for purposes other than what they are intended for or using them in excessive ...
Ketamine is a drug used for anesthesia, and is also used as a recreational drug, both in powder and liquid form, for its hallucinogenic and dissociative effects. [ 38 ] Some national laws prohibit the use of different recreational drugs; medicinal drugs that have the potential for recreational use are often heavily regulated.
The paradox of drug reward refers to the puzzling ability of drugs to induce both aversive and rewarding effects. [14] Despite contention on the particulars of dopamine-induced reward and behavior, there is agreement that dopamine plays an instrumental role in the processing of reward-related stimuli and that drug-induced dopamine stimulation ...
Substance dependence, also known as drug dependence, is a biopsychological situation whereby an individual's functionality is dependent on the necessitated re-consumption of a psychoactive substance because of an adaptive state that has developed within the individual from psychoactive substance consumption that results in the experience of withdrawal and that necessitates the re-consumption ...
The action of drugs on the human body (or any other organism's body) is called pharmacodynamics, and the body's response to drugs is called pharmacokinetics. The drugs that enter an individual tend to stimulate certain receptors, ion channels, act on enzymes or transport proteins. As a result, they cause the human body to react in a specific way.
The latter reflects physical dependence in which the body adapts to the drug, requiring more of it to achieve a certain effect (tolerance) [25] and eliciting drug-specific physical or mental symptoms if drug use is abruptly ceased (withdrawal). Physical dependence can happen with the chronic use of many drugs—including even appropriate ...