Why is weed not mentally damaging but drugs that use neuro chemicals like serotonin and dopamine bad for you?

Question

I just don’t understand how weed makes you happy but doesn’t have withdrawal effects. Drugs like cocaine, meth, mdma, hallucinogenic etc., you do.

In: Chemistry

Answer 1

Weed generally doesn’t have the withdrawal effects because THC is fat soluble. It gets deposited into fat and then when you stop using weed it slowly makes its way back into the bloodstream over time. This means that it basically tapers itself off. It’s also why drug tests can pick up THC weeks later whereas other drugs are gone in a few days.