That is such a long road though! College = 4 years, MD = 4 years, PhD part 2-6 more years, law school = 3 years. I had a few friends at Harvard Med who went all the way through and then realized they hated being around sick people! Ideally, you would figure out before medical school that you don't really want to be a doctor.
One friend of mine got a PhD in philosophy at Princeton (took him 6 years, after 4 years of college) and couldn't find a job in his field. So he went to law school.