http://dewong.com/story.php?title=weight-training-and-bone-density-seattle-health-blog The bone is strengthened or weakened, depending on whether it does or does not exercise and the type of exercise performed. Other influences are food, nutritional supplements such as soy isoflavones, sunlight exposure, heredity and age. The areas mainly involved with bone demineralization are the lumbar vertebrae and the upper end of the femur. This is mainly due to the predominance of trabecular ... Fri, 05 Feb 2010 22:56:28 CST en