what is a d.o. vs m.d?
 1 Both D.O.s and M.D.s typically have a four year undergraduate degree prior to medical training. 2 Both D.O.s and M.D.s have spent four-years in medical education. 3 Both take the MCAT and are subject to a rigorous application process.4 Historically, D.O. schools are more open to the non-traditional candidate. 