Drug addiction is defined as a chronic relapsing brain disease. It causes compulsive dose seeking and use that can be dangerous to the individual, and those approximately them. some people do not understand how interwoven drug addiction is. Users mobilise that it is a matter of willpower and that they can stop when willing to change their behavior. What they do not know is that taking drugs actually changes the structure and function of the brain.
Most drugs target the brains reward system by flooding it with dopamine. Dopamine is a neurotransmitter that controls movement, emotion, motivation, and odours of pleasure. The over stimulation of this produces euphoriant effects, and teaches people to repeat the behavior of victimisation the drug. When drugs are ill-treated the brain adapts and produces less dopamine, and then the user experiences a ontogenesis tolerance to the drug and exacts to keep having to a greater extent and more of it to get the same high and get back to recipe dopamine levels.
There are legion(predicate) motives for people to engage drugs that seem logical at the time. One is to feel goodish because the drugs produce intense feelings of pleasure, satisfaction, or euphoria. As time goes on drug junkies head start to get a tolerance and need to gain more and more of the drug to keep feeling good.
A second reason is to feel better because many users face stress related problems or depression and take drugs to lessen the effects. It is not unusual for the user to start using a drug to feel better and then start to depend on it and cannot stop. They think that drugs or alcohol hasten them forget the pain but it only numbs it or makes it worse. A third reason is to do better because many athletes or students face high pressure to be successful and think that using chemicals to improve their performance is a good idea. apply performance enhancing drugs can play a large reference in initial experimentation and continued drug abuse. A fourth reason that many people use drugs is...If you fatality to get a full essay, order it on our website: Orderessay
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