endocannabinoids

(Newser) - It's known that a runner's high isn't actually the result of endorphins, which are too large to cross the blood-brain barrier, but scientists have long sought the elusive cause of the much-talked-about sense of euphoria and calm that can accompany the end of a workout. Now researchers...

(Newser) - Can't stop eating French fries? Blame the marijuana-like chemicals in your own body. A new study shows that eating fatty foods triggers the body to produce such chemicals, which in turn make you want to eat more fatty foods. Endocannabinoids, which are similar to the chemicals contained in marijuana,...