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 ...

What happens when red blood cells become damaged or reach the end of their normal life span, and how is the iron required for carrying oxygen recycled? A new study contradicts previous thinking about ...

A phlebotomist is a medical professional who draws your blood and collects samples for laboratory tests, transfusions, research, or blood donations. Phlebotomists are medical professionals who draw ...