There are certain medical conditions that to this day still baffle the medical profession as to how best to treat them. Included in this list are ailments such as migraine, fibromyalgia, irritable bowel syndrome and other treatment-resistant conditions.
To be clear: We're not stating here that CBD Oil can cure or even treat such things as migraine, fibromyalgia & irritable bowel syndrome. However, people have used CBD oil and succesfully treated themselves for the above and many other ailments.
Let's take migraine as an example. In a medical study completed by the National Center for Biotechnology Information they state that migraine has numerous relationships to endocannabinoid function (link here) and that they display common clinical, biochemical and pathophysiological patterns that suggest an underlying clinical endocannabinoid deficiency that may be suitably treated with cannabinoid medicines
Interestingly... "may be suitably treated with cannabinoid medicines".
Do the research yourself. Discover more, and come back and comment.