Preliminary research indicates that cannabidiol may reduce adverse effects of THC, particularly those causing intoxication and sedation, but only at high doses. Safety studies of cannabidiol showed it is well-tolerated, but may cause tiredness, diarrhea, or changes in appetite as common adverse effects. Epidiolex documentation lists sleepiness, insomnia and poor quality sleep, decreased appetite, diarrhea, and fatigue.
A 2016 study in Molecular and Cellular Biochemistry explored how CBD contributed to the fat browning process. Brown fat is a particular type of fat that works to increase energy expenditure, and it produces heat. This allows brown fat to burn more calories, but adults are mostly composed of white fat. In the study, the following was observed as a result of cannabinoid usage: