how do psychoactive drugs affect the central nervous system

It is much less likely to lead to antisocial acts than that other popular intoxicant, alcohol, and it is also the one psychedelic drug whose use has not declined in recent years (National Institute on Drug Abuse, 2009). Depressants: These drugs slow down activity in . Drugs interfere with the way neurons send, receive, and process signals via neurotransmitters. The American Journal of Drug and Alcohol Abuse, 32(2), 275285. Stimulants increase the activity of the central nervous system, making the person more alert and aroused. Does Your Health Insurance Cover Treatment? 3.3 Based on the different ways in which they affect the brain, psychoactive drugs can be divided into four main groups: depressants (e.g., alcohol and sedatives), stimulants . These drugs operate by affecting neurons (nerve cells) in the CNS, which leads to symptoms such as drowsiness, relaxation, decreased inhibition, anesthesia, sleep, coma, and even death. Psychoactive Drugs and Their Effects - Psychologenie b. Additional regions of the brain that are impacted include the cerebellum and basal ganglia, which help to control coordination and involuntary muscle movements respectively. Biological Psychiatry, 44(4), 250259. These drugs are commonly found in everyday foods and beverages, including chocolate, coffee, and soft drinks, as well as in alcohol and in over-the-counter drugs, such as aspirin, Tylenol, and cold and cough medication. This can lead to coma, permanent brain damage, or death. Eighty percent of the adolescents indicated that they had never tried even a puff of a cigarette, and 20% indicated that they had had at least one puff of a cigarette. Is the world's most widely used psychoactive substance? For example, it is dangerous for a person to drive while under the influence of alcohol or misuse prescription medications. It exhausts the systemNeurons exhaust their ability to communicate.Once the drugs are goneShort-term: user feels the opposite of the drugRebound effect while the neurons recover.Over time: the brain adaptsReduces the number of dopamine receptor sitesProduces less dopamineResult: toleranceUser needs larger dose to feel the pleasure rush.Maybe . Bath Salts Drug: Effects, Abuse & Health Warnings - Drugs.com

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