Happiness can be found in the most unexpected places. But thanks to modern science, you don’t have to look much further than your local dispensary. That’s because the therapeutic effects of weed may make you feel happy by stimulating the endocannabinoid system, which maintains balance in the body, and a compound called anandamide, also known as the "bliss molecule." Certain foods and activities can also affect anandamide, making you feel happy.