Every single second, a million cells in your body die. So where does all that waste go? A new study reveals a surprisingly cannibalistic cleanup method. Some dead stem cells in the mammal body appear ...

Running extreme distances may strain more than just muscles and joints. New research suggests ultramarathons can alter red ...

Extreme endurance running damages red blood cells in ways that may affect their ability to function properly, according to a ...

A New York University study has found that kidney and nerve tissue cells can form memories much like brain cells. According to the study authors, their findings could help researchers better ...

Researchers have created an early map of some of the human body’s estimated 37.2 trillion cells. Each type of cell has a unique role, and knowing what all the cells do can help scientists better ...

During infections, the immune system needs to distinguish foreign antigens that are expressed by invading bacteria and viruses from self-antigens that are expressed by cells of the body. If not, the ...

Ultramarathons might push red blood cells past their limits—accelerating their aging in the process.

Add Yahoo as a preferred source to see more of our stories on Google. DARE cells When tissue is severely damaged, surviving cells can respond in a concentrated burst of biological repair known as ...

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

Metastatic cancer cells, which cause 90% of cancer-related deaths, must overcome numerous hurdles to spread from a primary tumor through the bloodstream and re-establish themselves in different ...