Important news tonight for women about osteoporosis and the importance of bone density tests. New research shows that the most common fractures caused by osteoporosis, fractures of the spine, can be easily predicted years before they happen. It's estimated that older women in America suffer 700-thousand spinal fractures each year, the most common fractures caused by osteoporosis. 75-percent of these women never know it... believing it's simply back pain. Researchers say, that can be a serious, even deadly mistake.