Check out this weeks article titled "Where "Wnt" The Bone! Resistance Exercise Prevents Bone Loss" by Brandon Macias. "The estimated lifetime risks of an osteoporotic fracture are about 50% in women and 22% in men. Fractures in the elderly lead to large, often irreversible loss of quality of life and are associated with an increased risk of death. Furthermore, annual direct-care costs attributable to osteoporotic fractures are estimated to cost up to $18 billion in the United States. Most research to date has shown that regular weight bearing exercise helps preserve bone mineral density in postmenopausal women and older men."