why drug addiction
Drug rehabilitation to restore the brain damage because of drug addiction : Why Drug Addiction
The use of drugs in general aims to provide large amount of dopamine in the brain directly or indirectly. Providing directly means that the drug act as dopamine or similar to dopamine, while indirectly means that the drug will stimulate the brain to produce dopamine more than normal or to prevent the natural process to recycle the substance. Dopamine is the neurotransmitter that controls the response of euphoric effects. The cells in brain will adjust to the flood of dopamine and make the same amount of dopamine will have lesser effect after repeated use of drugs.
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