Just One Dose Of CBD Increases Blood Flow To Key Brain Regions

Researchers from University College London have discovered that a single dose of cannabidiol (CBD) significantly increases blood flow to the hippocampus, a part of the brain that plays an important role in memory and emotion. Publishing their work in the Journal of Psychopharmacology, the study authors explain that their findings could have major implications for the treatment of conditions such as Alzheimer’s disease and post-traumatic stress disorder[i]. Previously, scientists had discovered that CBD produces a number of positive effects in rat brains, such as stimulating the formation of new neurons[ii] and protecting brain cells from oxidative damage[iii]. Another pre-clinical study even found that the cannabinoid helps neurons to form more connective branches, which could help to enhance cognitive flexibility and facilitate recovery from mental health disorders[iv]. However, this is the first study to reveal a direct and immediate impact on cognition in the human brain following a single administration of CBD. To conduct their research, the study authors recruited 15 people with little or no history of cannabis use, and gave them each 600 milligrams of CBD or a placebo on several occasions, always separated by at least a week. After each trial, the researchers measured blood flow to certain brain regions using a technique called arterial spin labelling. Results showed that CBD significantly increased blood flow to the hippocampus, but not to other regions of the medial temporal lobe, of which the hippocampus is a part. This is significant as it suggests that CBD acts specifically on the hippocampus,…

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Source : seedman
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