Brad Reisfeld is a professor of chemical and biological engineering, biomedical engineering, and public health at Colorado State University. Your blood serves numerous roles to maintain your health.

Testosterone is the quintessential male hormone (androgen), and it’s a busy one, helping to regulate intimate function, muscle mass, red blood cell count, mood, and more. But not all testosterone in ...

Blood test results can be overwhelming to digest, complete with medical jargon and numerical values that may not mean much without an accompanying explanation. But to take charge of your health and ...

Low testosterone can result from a variety of underlying factors. “Common causes include the natural aging process, obesity, chronic illness, genetic disorders and the use of certain medications,” ...

Testosterone is an essential hormone for men’s health, affecting numerous physiological processes. It aids in controlling red blood cell formation, bone density and muscle mass, libido and sexual ...