CBD Science
One of the best, comprehensive scientific reviews we've found to date is this research paper: Review of the neurological benefits of phytocannabinoids
It cites 129 other studies that support the utility of activating the Endocannabinoid Receptor System (ECS) which is the target of CBD and other cannabinoids to benefit a variety of clinical indications. We're not allowed by our payment gateway to cite them on this page, but you can read more about the science at the link above.