Substances found in chocolate, such as phenylethylamine, theobromine, anandamide and tryptophan trigger mood enhancing chemicals and neurotransmitters to be released in the brain. Phenylethylamine is a chemical found in the body that is similar to amphetamine. It helps mediate feelings of giddiness, attraction, euphoria and excitement. Researchers believe phenylethylamine causes the brain to release mesolimbic dopamine in the pleasure centers of the brain


thc also causes your brain to release more dopamine...so who knows