Osteoporosis is a common bone disease that causes a thinning and weakening of the bones, and potentially increasing the risk fractures. Women tend to be at the greatest risk of developing osteoporosis, though It can affect people of any age and gender. Reduced bone strength is the cause of 1.5 million fractures per year in the United States. Hip fractures alone result in 300,000 hospitalizations. When osteoporosis is diagnosed early enough, important steps can be taken to reduce bone loss and the risk of fractures.