Although approximately 62 percent of Americans are eligible to donate blood, only 3 percent do so each year. But someone needs blood every few seconds in the US. While the average red blood cell ...

What’s impressive, though, is that they still managed to be surprised.

Every second, trillions of tiny parcels travel through your bloodstream—carrying vital information between your body's cells. Now, scientists at the Baker Heart and Diabetes Institute have opened this ...

Scientists have identified new anti-aging compounds produced by a little-studied blood bacterium. These indole metabolites ...