The most powerful and successful argument that marijuana advocates have made so far is that it can be realistically considered a medicinal drug as well as a recreational one. A combination of scientific and anecdotal evidence indicate that pot has an ameliorative effect on a wide range of ailments. Medicinal marijuana use has been shown to be beneficial in neuropathic pain, it can also help with ALS, Multiple Sclerosis, HIV neuropathy, and trauma, among other problems.amp;nbsp;