The article below is copied from theimpactnetwork.org and posted here for archival and educational purposes Clinical Endocannabinoid Deficiency (CECD) was coined by Dr. Ethan Russo in 2004 to characterize symptoms found when there is not enough endocannabinoid system signaling. Most of the disease states related to CECD are marked by chronic pain, dysfunctional immune systems, fatigue, and mood imbalances. […]