Well, there are those medications on TV on ads, where they ALWAYS have these "side-effects", and the MAJORITY of them include heart-pain.
I hope I helped! :-)
Answer:
The purpose is to not have to do mouth to mouth CPR (conventional CPR)
Explanation:
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!