It’s important to avoid cheerleading for cannabis without the scientific proof in-hand, but you give them a point when there are so many holes in the experimental design that if this study were the Titanic, the movie would have been half as long.
The Study
https://www.thelancet.com/journals/lanpub/article/PIIS2468-2667(18)30110-5/fulltext?code=lancet-site
https://www.leafly.com/news/cannabis-101/whats-the-deal-with-these-high-cbd-strains — CBD and THC differences
http://adai.uw.edu/pubs/pdf/2017mjanxiety.pdf — Differential effects of THC in regards to anxiety
http://www.medtronicneuro.com.au/chronic_pain_commontypes.html — Types of chronic pain
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