That it came from humans eating monkeys and that it can only be passed to person to person through intercourse.
It originated from ancient China.
Answer:
Too much exercise or at too intense of a level, can leave you drained, and worse, at risk of injury. Overtraining occurs when a person partakes in too much physical training with too little rest and recovery after hard workouts.
Explanation:
Exercise increases your overall health and your sense of well-being, which puts more pep in your step every day. But exercise also has some direct stress-busting benefits. It pumps up your endorphins. Physical activity may help bump up the production of your brain's feel-good neurotransmitters, called endorphins.