03/26/2013 12:04 pm ET Updated May 26, 2013

Montel Williams: Medical Marijuana 'Just Like Any Other Plant-Based Medicine' (VIDEO)

Montel Williams joined HuffPost Live host Ahmed Shihab-Eldin Tuesday and spoke out in favor of medical marijuana.

"[Marijuana] is just like any other plant-based medicine on this planet," Williams, who is battling Multiple Sclerosis, said. The former talk show host called on the government and pharmaceutical companies to invest in research so that patients like him could have a "quality medication" that isn't tainted by chemicals.

"I want a pharmaceutical company to step up to the plate and do what's right," he said.

Watch the full segment at HuffPost Live.