Why does marijuana cause one person to experience a pleasurable high, and another to experience paralyzing paranoia?

A July 5 study out of Western University in Ontario, Canada, may bring us one step closer to an answer. Published in Scientific Reports, the study is one of the few to explore what it deems the “divergent psychological effects” that marijuana’s psychoactive ingredient, tetrahydrocannabinol (THC), produces — and to offer explanations for why this happens.

See the original article at HuffPost