Answer:
its a potentially life-threatening eating disorder made by vomiting on purpose
High blood pressure, height blood sugar, heart attack, sometimes cancer, obesity, liver failure. The list can go on.
Yes i believe in responsible drinking. drinking too much or becoming an alcoholic can give you extreme liver problems.
I don't think it's supposed to keep it numb but if I was to guest at least a few minutes I don't think it goes past 3