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 ...

Most families are seeking treatment in major cities after tests at a local hospital returned tests at much lower levels than ...

New research shows microplastics in food and water. Here’s what parents need to know—and realistic steps to protect your ...