Answer:
Homeostasis
Explanation:
The body has a tendency to maintain a very stable and almost constant internal environment. This is called homeostasis. The body maintains homeostasis for many factors such as the concentration of ions in blood or pH levels or glucose concentration. Even temperature maintenance is part of homeostasis.
Best thing to do would be to stop any physical activity and drink water or milk. lay down and put a cold wet towel over your head. it cools the whole body down. eventually you fall asleep and most of the times after all that happens your headache is typically gone once awoken.
Answer:
normally it would take 9 months to a year
Sounds like depression. It could also be anxiety, though. You'd need more details to accurately diagnose anything.