Dr. David Allen, a retired cardiac surgeon and member of the International Cannabinoid Research Society, ICRS. He is a cannabinoid research scientist, speaking about the discovery of the endocannabinoid system, the ECS, and the significance and how it will change medicine. He and his team discovered the endocannabinoid system about 30 years ago, and they really didn’t understand the significance of its discovery. They found out that this is a chemical communication that your body has. Dr. Allen explains the effects cannabinoids have your body and why it is important for medical reasons.