Ask some people with the same condition as you. cannabidiol is naturally effective remedy for cancer, insomnia, chronic pain and nausea. "D.C. law on medical marijuana is the tightest and strictest in the country," said Bill Piper, Director of National Affairs with the Drug Policy Alliance. Surgeons General - Joycelyn Elders and Jesse Steinfeld - also recognize marijuana as a legitimate, beneficial medicine. The government is targeting a service linked to skin cancer and a culprit to increasing health care costs.