Effect of an acute consumption of a moderate amount of ethanol on plasma endocannabinoid levels in humans.

“Animal experiments have shown that the endocannabinoid system (ECS) plays an important role in the regulation of ethanol intake. We investigated these effects in healthy volunteers who consumed a moderate amount of ethanol (red wine) and measured plasma levels of the endocannabinoids (ECs) anandamide (AEA) and 2-arachidonoylglycerol (2-AG) to test whether alcohol consumption influences the ECS in humans…

AEA, 2-AG and plasma glucose levels were significantly reduced after red wine consumption.

Water intake had no significant effect on AEA  but resulted in a gradual reduction in 2-AG concentrations…

The consumption of a moderate amount of red wine reduces plasma AEA and 2-AG concentrations, whereas the volume and caloric equivalent of the sugar containing, non-alcoholic liquid grape juice does not affect plasma ECs. Plain water has a differential effect on the ECS by reducing 2-AG concentrations without affecting AEA.”

http://www.ncbi.nlm.nih.gov/pubmed/22278319

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