We can use that knowledge beginning today. Weather reports have new and deeper meanings after age forty-five. A change in weather can cause joint aches. Well, you can crawl back under the covers and wait for the storm to pass. Or you can go slower today.
People fear the second half of life because they think that sickness and body breakdown are givens.
Good health is possible for the entirety of your life. Your body was designed to hold up under incredible stresses. You can't party all night and still expect to be alert the next day. If you are still young and do not believe me, then try it. But be honest with yourself the next day.