https://phys.org/news/2018-07-cannabidiol-hype.html

Despite these promising results, CBD is no miracle cure. Some patients in the studies did not respond to the drug, and others experienced side effects such as sleepiness, diarrhea and elevated liver enzymes —- a possible sign of liver damage. To figure out why some people benefit from CBD and others don't, and what other diseases might be treated, scientists are working to unravel the mechanism behind the compound. In addition to these basic research studies, more than 40 clinical trials of CBD are being conducted for a wide range of disorders. Once these studies are complete, doctors and patients will be better able to distinguish hope from hype, Halford says.

                                                            
                                    
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                                    "CBD: Medicine from marijuana," cen.acs.org/pharmaceuticals/CB … ine-marijuana/96/i30