Quote:
Originally Posted by knight_shadow
But heroin will cause users to experience withdrawals. That was my point. If I'm addicted to a hard drug, a "lesser" drug will not fill the void.
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true.
Heroin replaces a neurotransmitter in the brain, dopamine, which is reponsible for feeling happy. This happens after only a few shots and the addict is completely reliant on the heroin for happiness.
Weed only alters perceptions, not the brain itself.