Inward then upward, C! I know somebody already answered, but I'm just confirming that answer is correct as I took a class in this sort of stuff! :)
The nervous tissue hope it helps :3
Your answer is bulimia. Or you might be looking for its more medical term which is Bulimia Nervosa. You can remember this by the fact that binge and bulimia both start with a B. Good Luck!
