The field of medicine concerns itself with diagnosing, preventing, and treating human illnesses and injuries. Medical students learn to heal and care for sick people, using their in-depth knowledge of the human body and topics such as pharmaceuticals and surgery.

A postgraduate certificate is a fairly short educational program that can be earned by students who already have an associate’s or bachelor’s degree. By completing this academic program, students improve their specialized knowledge, and they may be able to earn more money in their chosen careers.