When adults became angry after remembering past experiences, the function of cells lining the blood vessels was negatively impaired, which may restrict blood flow, according to a new study. Previous ...

A simple cocoa-based intervention taken just before long periods of sitting can help preserve blood vessel function in both the arms and the legs. This highlights a practical nutritional strategy to ...

Blood plasma is a light yellow liquid that makes up about half of a person’s blood. Blood plasma is vital for fighting infection, maintaining correct blood pH levels, helping blood to clot, and ...

The ability of a cell to divide, to proliferate, is essential for life and gives rise to the formation of complex organisms from a single cell. It also allows the replacement of used cells from a ...

Red blood cells are important mediators of the innate immune system. Depending on the cellular environment, these cells either activate the immune system or maintain the system in a dormant state. In ...

Beets contain nitrates that the body turns into nitric oxide, a compound that helps relax blood vessels to improve blood flow ...

Almost all animal species—including humans—have blood cells, but between different species our blood tells different stories. The lineage and components of blood cells vary widely, and this variety is ...

Dr. Kathleen Elliott says blood cancers can impact the health, function and production of blood. Blood transfusions are a ...

Every two seconds someone in the U.S. needs a blood transfusion, according to the American Red Cross. “Blood transfusion is a highly critical, life-saving clinical procedure for a variety of patients, ...

Firms like Function Health and Oura market regular blood tests to people wanting to take their health into their own hands. The process often raises more questions for patients than it can answer.