Anyone in here have a public health background?

My gf is a dentist and I’m in law school, she wants to start studying public health and wants to eventually write a paper on this subject. She says there is a lot of law in public health and I might be able to help her on the paper. Anyone did public health and could comment on how much relation there is within these two disciplines? And if it’s a good pair? I think at least one school has a MPH+JD program? Maybe Georgetown