Studies also show that once THC reaches the brain, it triggers the release of dopamine, another neurotransmitter well-known for its abilities to make you feel good. Dopamine is also known as the reward molecule. It also works the reward system in the brain, which is triggered when we do other things that our body intrinsically knows is good for survival or give us pleasure, such as having sex, eating, shopping, the smell of food in the kitchen, and much more.