Why do you become more tired the older you become?

Question

Less energy, can’t handle a trip out without sitting down. All this stuff, it becomes harder and harder as we age. Why?

In: Biology

Answer 1

Your body is a huge chunk of flesh that only a very intricate biological machinery keeps from rotting. Over time, parts of this machinery break and can’t be repaired anymore so each system of your body keeps getting worse and worse until you die.