Dr. Joshua Levitt, NMD, is a naturopathic physician and Yale School of Medicine Clinical Instructor who is widely known for his expertise in treating both common and complex medical problems. Dr. Levitt explains the top five differences between an MD and an ND, the training involved, and how a doctor trained in naturopathy brings the additional layer of nutrition, herbal, and natural medicine to the table – areas in which most physicians have little to no training – and the trending health issues he sees in his clinical practice today.