Few doctors in New Jersey use marijuana in their practice. Here’s why I occasionally do. | Opinion Updated Mar 17, 2021; Posted Mar 17, 2021 Dr. Jill M. Giordano Farmer, who is on the advisory board of the Cannabis Education and Research Institute (CERI) and is director of the Parkinson’s Disease & Movement Disorder Program at Global Neurosciences Institute, says she tells her patients to first try established medical strategies and if they aren't helpful or not well tolerated, they consider adding cannabis. Facebook Share By Jill M. Giordano Farmer I never had any fascination or a particular interest in marijuana. But in the past few years, my patients have been coming to me with questions and I made the decision to find answers. Could medicinal cannabis help their movement disorders? If so, how?