Ever felt a little lost looking at your blood test results? You’re not alone. Blood tests sound like a foreign language with all those numbers and medical terms that make very little sense. But ...

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 ...

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.