Steffini Stalos, DO, FCAP, is a pathology and lab medicine physician. She is also the chief medical officer of the lab consultancy firm Blood Associates, LLC. Mean corpuscular hemoglobin concentration ...

Alexandria Nyembwe is a registered nurse and health writer. She has worked in street medicine serving populations experiencing homelessness in Skid Row Los Angeles as well as in cardiovascular care in ...

Narrator: Blood gets around our bodies through a system of blood vessels. To picture the blood vessels, imagine a busy network of roads. And those roads are always full of little vans which are busy ...

Low blood pressure is dangerous when it drops below 90/60 mm Hg and causes symptoms. Signs of dangerous low blood pressure include feeling lightheaded, fainting, and having a fast or slow heartbeat.

Most people who have the Rh blood type are Rh-positive. There are also instances, however, where people are Rh-Negative. Health problems may occur for the unborn child of a mother with Rh-Negative ...

A CBC test checks the number and types of blood cells in your body to find health problems. The CBC can spot issues like infection and dehydration early before they get serious. Abnormal CBC results ...