Human bodies make 2 million red blood cells per second. They each live for 120 days and spend that time zooming completely around the body every 20 seconds, carrying oxygen from the lungs to other ...

After a long trail race, some of your red blood cells may not bend the way they should. That matters because red blood cells have a tight job description.

The brain relies on real-time delivery of oxygen and nutrients through its microvasculature, which threads through neural ...

Learn what vitamin B6 does in your body, including benefits for brain health, energy, immunity, heart health. Plus, the best food sources of this essential nutrient.

Scientists have long known that people living at high altitudes, where oxygen levels are low, have lower rates of diabetes than people living closer to sea level. But the mechanism of this protection ...

Sickle cell disease is often thought of solely as a blood disorder, but new research from the Wood Neuro Research Group ...