“Across product characteristics, only higher THC levels were independently associated with greater symptom relief and prevalence of positive and negative side effects. In contrast, CBD potency levels were generally not associated with significant symptom changes or experienced side effects.”
https://www.ncbi.nlm.nih.gov/pubmed/30804402
https://www.nature.com/articles/s41598-019-39462-1
“Notorious psychoactive chemical THC more important for therapeutic effects in cannabis than previously believed. Contrary to popular media-reports and scientific dogma, the psychoactive chemical, tetrahydrocannabinol or “THC,” showed the strongest correlation with therapeutic relief and far less evidence for the benefits of relying on the more socially acceptable chemical, cannabidiol or “CBD.”” https://news.unm.edu/news/notorious-psychoactive-chemical-thc-more-important-for-therapeutic-effects-in-cannabis-than-previously-believed
“THC more important for therapeutic effects in cannabis than previously believed” https://medicalxpress.com/news/2019-02-thc-important-therapeutic-effects-cannabis.html
“THC found more important for therapeutic effects in cannabis than originally thought” https://www.sciencedaily.com/releases/2019/02/190226112353.htm
“Study: Patients Find More Relief In Marijuana‘s Physchoactive Compound THC Than In CBD.” https://www.forbes.com/sites/javierhasse/2019/02/27/study-patients-find-more-relief-in-marijuanas-physchoactive-compound-thc-than-in-cbd/#384ee158717a

“The World Health Organization has proposed rescheduling cannabis within international law to take account of the growing evidence for medical applications of the drug, reversing its position held for the past 60 years that cannabis should not be used in legitimate medical practice.”

“Intellectual disability is the most limiting hallmark of Down syndrome, for which there is no gold-standard clinical treatment yet.