This varies from person to person. There is a point in time at which hormones in a persons body begin to loose their effective functions, a period I have heard reffered to as adult puberty. In women this is marked by menopause. While you can still theoretically maintain a healthy body at this time, it becomes increasingly difficult. Maintaining a healthy diet and constant exercise are essential to achieving this. A doctor won't tell you much more than this.
Its not D or A because not much flexibility is needed for those. So I believe its C if not its B im going with C (:
I believe thats true.
People with cancer get radiation treatments to treat their cancer, it doesnt cure them but it does help treat the cancer.