The start-up Function will send practically anyone to a lab for extensive medical testing, no physical required. Is that a ...

This article was reviewed by Felix Gussone, MD. Key Takeaways: Body composition offers a clearer picture of health than ...

Plasma makes up about 55 percent of your blood. It carries out several key functions in the body, including transporting waste products. Read on to learn more about plasma, including what it’s made of ...