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| Description: Cocaine blocks the brain’s reuptake of dopamine and norepinephrine so that synaptic levels of these neurotransmitters rise. The result is overstimulation of certain brain receptors and a brief euphoric high. Then, when the drug wears off, a depletion of dopamine may cause the user to “crash” and become sleepy and depressed. Picture Stats: Views: 514 Filesize: 267.76kB Height: 418 Width: 528 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39237 |