(KTVI) - Time to bone up on the truth of this old saying - the early bird gets the worm. Physical exercise early in life boosts bone size and strength - some of which is retained for life. Orthopedic surgeon Dr. Richard Lehman talks to John Pertzborn about how this is especially true for young women. Women tend to have greater osteoporosis or bone mass loss.
A U.S. study of ex-professional baseball pitchers showed their pitching arm was still much more powerful in their 80's despite having not thrown for more than 50 years.