Oxford is a Liberal Arts institution and has a myriad of courses that you can and should select from - take full advantage of the offerings. You do not have to major in a science to be successfully admitted to a health professions program. If you are serious about preparing for a health profession career, start selecting basic science pre-requisite courses as an opportunity to test aptitude and interest in the sciences. Do not overload; balance your schedule. Make sure you incorporate required pre-health courses into your curriculum.
Here is some information that will set you off in the right direction when looking into continuing your education in one of Emory's Academic specialties. These include: