Dr. Sanjay Gupta is a practicing neurosurgeon and chief medical correspondent for CNN. He has expressed his support for medical marijuana, and reiterates that medical science shows that marijuana has medical benefits. Recently he has expressed his feelings that medical marijuana should be made legal on the federal level. He finds it frustrating that patients can get help in some states and not others. He writes: "I am more convinced than ever that it is irresponsible to not provide the best care we can, care that often may involve marijuana. I am not backing down on medical marijuana; I am doubling down." Read the full article here.