While the most common PhD field is Cellular & Molecular Biology, there are more than 20 PhD programs represented over the past three years. In addition to PhD programs in the traditional biomedical sciences, our students are pursuing PhDs in many non traditional fields, such as Anthropology, Economics, History, and Philosophy as well as programs in our College of Engineering (primarily Biomedical Engineering) and Public Health (primarily Health Services Organization & Policy and Epidemiological Science).
Med U Blog

Interested in a Non-Traditional MD/PhD Degree? 3 Questions to Ask Yourself
It's a road far less traveled, but some Medical Scientist Training Program students find a perfect match outside the biomedical box with social sciences and humanities instead.