Seventy two

Today I learned that you can actually be allergic to exercise: Exercise Uticaria. The increase in body temperature triggers a histamine reaction which can result in itching and hives...in severe cases you can even develop anaphylaxis. That mostly happens though if you've eaten something you're allergic to and then exercise right after. You can COLLAPSE and DIE. Personally, I just about collapse and die from exercise anyway, although I think that's a separate condition.