Medically reviewed by Anju Goel, MD A mean platelet volume (MPV) test measures the average size of platelets in your blood. Platelets are blood cells that your bone marrow makes. Healthy platelets ...

Quest Diagnostics has signed up to offer a blood test that can help diagnose Alzheimer’s disease, following its FDA clearance ...

Quest will offer the first FDA-approved blood test to help detect Alzheimer’s-related amyloid pathology in patients with ...

Exercise is another powerful tool—it improves circulation, reduces stress hormones, and boosts feel-good endorphins. Regular ...

What is lupus, and what does it do to your body? I just had a friend diagnosed with it after many months of tests. — T.S.B.

ANSWER: The term “lupus” generally means systemic lupus erythematosis (SLE), which is a systemic disorder (as its name ...

Conclusions These results uncover dynamic transition of peripheral blood immune cells during flare of lupus nephritis, especially in CD8+ T cell population, suggesting its pivotal roles in SLE ...

Dear T.S.B.: The term "lupus" generally means systemic lupus erythematosis (SLE), which is a systemic disorder (as its name ...