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Depressant Drugs:

Alcohol, Benzodiazepines, Barbiturates and other central nervous system depressant drugs act primarily on a neurotransmitter substance known as GABA (Gamma Aminobutyric Acid). GABA is an inhibitory neurotransmitter that makes other neurons less likely to activate. The depressant drugs are GABA agonists, acting to help GABA reduce neuronal activation more efficiently than it usually would. Alcohol also inhibits (acts as an antagonist against) another excitatory neurotransmitter (Glutamate), making it harder for Glutamate to get the nervous system excited.

Stimulant Drugs

Amphetamines have their primary effects on the neurotransmitter Dopamine. Amphetamines both induce the terminal button of Dopamine-producing neurons to let more Dopamine out than normal, and also keep that Dopamine out in the synapse longer than it normally would be allowed to stay. Amphetamine also acts agonistically on receptors for a different neurotransmitter, Norepinephrine, by competing with Norepinephrine for post-synaptic receptors and turning those post-synaptic receptors on.

Cocaine has its major effect by blocking the re-uptake of the neurotransmitters Dopamine and Serotonin.

Opioid Drugs:

Opioid drugs bind to special endorphin receptors in the brain (the 'mu', 'kappa', 'sigma' 'delta' and 'gamma' receptors) that have to do with pain. When these receptors are occupied and activated, the perception of pain lessens.

Drug treatments for opioid addictions sometimes include the administration of Naltrexone, which is an opioid antagonist. Naltrexone competes with the opioids for their receptor sites, but is not itself capable of activating those receptor sites. An opioid addict on Naltrexone is thus rendered more or less incapable of getting high from their opioid drug of choice; they may take an opioid, but it will be blocked from the opioid receptors by the Naltrexone, and will not have its effect.

Cannabinoids:

Marijuana has a complex set of effects. It acts on the neurotransmitters Serotonin, Dopamine and Acetylcholine. It also binds to a receptor for a recently discovered neurotransmitter known as Anadamide.

Hallucinogens:

LSD is known to antagonize Serotonin by blocking its release.

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Related Questions

How does drugs affect your sport?

Drugs slower the nervous system.


Synthetic drugs do not affect the nervous system?

Synthetic drugs can affect the nervous system by altering neurotransmitter levels, impacting brain function, and potentially leading to addiction. These drugs can have various effects, such as stimulating or depressing the nervous system, depending on their chemical composition and how they interact with the brain.


Name 2 drugs that affect the nervous system?

Alchohol and cocaine


Do drugs that affect the nervous system change moods and feelings?

yes it can.


Does Synthetic drugs affect the nervous system?

All psychotropic drugs affect the nervous system, from marijuana to dipropyltryptamine or methamphetamine. This is how they work, if they didn't affect the nervous system (particularly the brain) then no one would feel an effect.


True of False. Alcohol and other drugs alter mood and affect the mind by interfering with the central nervous system?

It is true that drugs and alcohol can affect the mind It can also interfere with the central nervous system.


What drugs affect the nervous systems?

Almost all drugs affect the central nervous system. some however, are:- cocaine, heroin, marijuana, meth,tobacco, nicotine and caffeine ( this also affects your muscular system).


How do abused drugs affect the nervous system?

Many drugs will actually improve the human nervous system with almost no side effects. One of the most effective drugs that anybody could take to improve their nervous system is heroin


What are Drugs that affect the central nervous system causing mental or behavioral changes are called?

Drugs that affect the central nervous system causing mental or behavioral changes are commonly referred to as psychoactive drugs. These drugs can alter mood, cognition, perception, or behavior when taken. Examples include stimulants, depressants, hallucinogens, and opioids.


What is a group of drugs that slow down the nervous system?

There are many drugs that can slow down the body but they don't come into affect immediately


How do illegal drugs affect your health?

they make your body work faster or slower, they damage your nervous system


Drugs that increase the functioning of the nervous system?

drugs