I would like to raise some sort of debate about this topic. A lot of people say that medicine is really intellectually stimulating. I, on the other hand, would somewhat disagree with this idea, in saying that medical school and the medical profession do not actually require an extremely high level of raw brain power. I think fields like physical chemistry research, theoretical physics, math research, and biochem engineering would be more intellectually rigorous and provide a bigger challenge. What do you guys/gals think?? Right now its coming down to a decision for me as to whether i want money and a cool career (medicine) but not being able to be challenged with vastly complex intellectual puzzles.. Or else if i want to be really challenged and have intellectual stimulation on a high level (ie: math phd), but have less money and a less stable career.