I don't write about this but it is an important thing to remember whenever you are going to medical school. Whether it is more common in the US or abroad, I can't know. Mexican Medical Student reminds me:
"Folks, regardless of medical school, there are those who shouldn’t try to become physicians–this path isn’t for everyone. A warning to those American students struggling to get into US programs considering a foreign medical school: a foreign school *is* a viable alternative, but since you aren’t dealing with the “cream of the crop,” (witness the profound statements above), expect to deal with a lot of behaviors from people that you’d think you would have left behind in high school. Add to that, the culture clash of the country in which you go to school, and it’s can make for a stressful mix–all of which, unfortunately, detracts from studying and applying yourself to your task at hand. Be prepared."