https://www.nhs.uk/conditions/medical-cannabis/

Government factsheet 

MHRA statements 

Review referenced by WHO – preclinical/animal studies file:///Users/user/Downloads/2CannabidiolStateoftheartandnewchallengesfortherapeuticapplications.pdf

There is a lack of good evidence that any cannabis-derived product works for any chronic neuropathic pain.https://www.cochrane.org/CD012182/SYMPT_cannabis-products-adults-chronic-neuropathic-pain

More people reported sleepiness, dizziness and mental problems (e.g. confusion) with all cannabis-based medicines pooled together than with placebo (low-quality evidence)

https://www.cochrane.org/CD012954/IBD_cannabis-and-cannabis-oil-treatment-ulcerative-colitis

The effects of cannabis and cannabis oil on ulcerative colitis are uncertain, thus no firm conclusions regarding the effectiveness and safety of cannabis or cannabis oil in adults with active ulcerative colitis can be drawn.

The effects of cannabis and cannabis oil on Crohn’s disease are uncertain https://www.cochrane.org/CD012853/IBD_cannabis-and-cannabis-oil-treatment-crohns-disease

WHO report

review including pre clinical or pilot/human tests

short term trial cannabidiol and schitzophrenia

JAMA review