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 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 ...

What is bone density? Put simply, it is a metric used to measure the strength of your bones – and a helpful method of assessing the potential risk of osteoporosis, a condition that weakens bones and ...

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 ...