Cocaine creates a very strong short-lived dopamine response in the brain. It feels really really good, for a few minutes. Then you want to do more. You don't re

Cocaine creates a very strong short-lived dopamine response in the brain. It feels really really good, for a few minutes. Then you want to do more. You don't really want to do anything else. Eventually you run out, and coming down is not fun. Not as bad as opiates but much worse than weed or psychedelics. People can get very addicted to it, but you need a lot of money to really build up a serious habit.