Business Insider -
22 Feb 2016 03:00

Marijuana, best-known for its "feel-good" effects and touted for its ability to relieve various symptoms of illness and disease, can also be damaging, especially when overused. When weed's active ingredient, tetrahydrocannabinol (THC), hits the brain, it causes brain cells to release the feel-good chemical dopamine. Dopamine is a part of the brain's reward system — it's the same chemical that makes us feel good when we do enjoyable things such as eating and having sex. Pot also contains cannab...
Share this Article