There are few people that have heard of the Endocannabinoid System. It’s a complex and mysterious system of signals and receptors in all of us that regulates some of the most day to day functioning, so understanding how this works is becoming a key factor in regulating our moods, alertness, food cravings, temperature, and of course pain.
Harvard Health Publishing has a great article on the endocannabinoid system you can read here.