Why do you get the munchies after using cannabis?

THC mimics the action of a brain chemical called anandamide. This substance can bind to various receptors in the brain, some of those are located at the hunger center. When the THC acts as anandamide and binds to these receptors, the nerves in the hunger center are stimulated. This gives you a feeling of hunger (or: ‘munchies’) and makes you reach for the chocolate…