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 Red ...

Physical exercise represents one of the most powerful tools for maintaining youthful vitality, energy, and appearance throughout life. However, certain exercise approaches and fitness mistakes can ...

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