John's radiologist referred him to Karl Insogna, the director of the Yale Bone Center. "His bone density was eight times higher than average for a man his age," Insogna recalls. This fact may not have ...

A temperature of -2 is lower than a temperature of -1. In the same way, a T-score of -2.3 shows lower bone density than a score of -1.8. The T-score is a radiographic diagnosis, meaning it is an X-ray ...