By Dr. Liji Thomas, MD A large prospective study suggests that a routine creatinine blood test may help flag people at higher risk of osteoporosis and fractures, revealing a narrow “sweet spot” where ...

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...