Brain Cravings For Meth
Meth's damage to dopamine in the brain means less dopamine is naturally available to the body. The brain becomes dependent upon constant meth intake to stimulate the supply of dopamine. Because the brain loses its ability to manufacture its own, it begins to crave dopamine when a meth user does not supply the drug. This is a major reason why users become so quickly tolerant and then addicted to meth. Without the drug to supply dopamine to the brain, meth users are unable to experience pleasure (anhedonia). At this stage, meth users can become deeply depressed and even suicidal. Even those who want to quit meth have great difficulties in overcoming these feelings, and resort to meth to escape them.2, 10, 16
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