A small, but well-conducted, study of the effect of CBD oil on bad toothaches neither proves nor disproves whether the drug works. However, some intriguing data could be confirmed in a larger clinical trial. Let's call this mildly encouraging. At best.
Recently, the FDA met to discuss CBD, the non-psychoactive component of marijuana. It made us realize that we'd never really considered the definition of a drug. Any process involving lawyers hinges on the meaning of words, so what actually does the FDA regulate?