DARPA is funding a redoubled effort to develop a shelf-stable substitute for what field medics and trauma doctors need most: more blood.

A sample of your blood can reveal much about your health. But it can be hard to know which blood tests are truly worth taking.

Amid a national blood supply crisis, Dr. Courtney Lawrence sat down with Norah O'Donnell to talk about donating blood, health myths and more.

Add Yahoo as a preferred source to see more of our stories on Google. From CBC to CMP and beyond, blood test panels provide essential information to health practitioners. angelp/iStock via Getty Images Plus Your blood serves numerous roles to maintain your ...

There are several possible causes of blood in a person’s urine with no pain. Causes include exercise, trauma, and kidney disease. Hematuria is the medical term for when blood is present in urine. There are two types of hematuria: gross hematuria ...

A controversial blood test aimed at detecting multiple cancers was backed by a U.S. Food and Drug Administration panel this week. Here's what to know.

The Human Erythrocytes Available for Reconstitution and Transfusion, or HEART, project at APL aims to create shelf-stable red blood cells grown entirely in a laboratory

Copyright 2026 The Associated Press. All Rights Reserved. Copyright 2026 The Associated Press. All Rights Reserved. A woman shares Jehovah’s Witnesses’ literature ...

Throwing up blood after drinking alcohol has numerous causes, varying in severity. It can indicate a serious issue in some cases. Small streaks of blood may not be a cause for immediate alarm, but throwing up larger amounts of blood can be a medical emergency.

Ask questions, bring a family member or friend to appointments if it helps, and take time to learn about your diagnosis and options.