Learn more about the impact ultramarathon running has on red blood cells and how it may do more harm than good for the body.

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 ...

Extreme endurance running damages red blood cells in ways that may affect their ability to function properly, according to a study published in the American Society of Hematology’s journal Blood ...

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. They ferry oxygen, nutrients, and waste ...

Red blood cells (RBCs), traditionally regarded as passive oxygen carriers, are now recognized as highly dynamic regulators of immune and vascular ...

The NHS is urging people to not drink cups of tea and coffee with meals as it could result in low iron and cause health issues such as headaches ...

Having a period is a lot like being a gladiator. Between the blood, sweat, and tears —and the relentless feeling of being ...

Millions thrive at high altitudes due to remarkable genetic adaptations. Tibetans, for instance, possess a gene variant allowing efficient oxygen use without dangerously thick blood. Andeans and ...

Biotin, also know as vitamin B7, is a water-soluble vitamin that supports healthy hair, skin, and nail growth, and helps the ...

There are certain types of food which are high in saturated fat and can increase LDL cholesterol, but experts say the right diet changes can lower your levels ...

Cancer prevention takes many forms: sunscreen, stress reduction, regular screenings. Only recently have scientists begun to ...

The study is small, but it's another example of how different bodies have different needs.