DEAR DR. ROACH: The results for my last bone density test show not only a T-score but also a Z-score. For my spine (L1 through L4), the T-score is -3.4, while the Z-score is -1.4. Can you please ...

Dear Doctors: I just turned 65, and my doctor wants me to have a bone density test. What is it, and how does it work? Dear Reader: A bone mineral density test, or BMD, measures the strength of one’s ...

In my time as a sports dietitian, I have consistently argued that understanding bone health—and the factors that contribute ...

For a sidebar on how this story came together, click here. Dual-energy x-ray absorptiometry (DXA) has long been the gold standard for osteoporosis screening. But now, thousands of patients may be ...