Gayle King CBD reduction of spontaneous pain in 18 of the 20 participants. The placebo caused a 30 percent reduction of spontaneous pain in 11 participants. Use of Bediol or Bedrocan, both high-THC varieties, significantly improved pressure pain thresholds when compared to the placebo. Bedrolite, which is high in CBD and low in THC, didn’t show any evidence of being able to relieve spontaneous or evoked pain. 2019 Israeli study In a 2019 Israeli study, hundreds of people with fibromyalgia were observed over a period of at least 6 months. Of the participants, 82 percent were women. The study participants received guidance from nurses before taking medical cannabis. The nurses provided advice on: the 14 cannabis strains Gayle King CBD were available delivery methods dosages All the participants started with a low dosage of cannabis, and dosages were increased gradually over the course of the study. .