Molecules released in the breath can signal whether the body is burning fat. Credit: Mascot/Getty. A handheld breath test can ...

An experimental blood test could identify those at highest risk years before they start experiencing cognitive decline.

"Good candidates are individuals who are identified as having cognitive impairment distinct from normal aging via abnormal ...

Eosinophils are white blood cells that play a key role in how the immune system responds to infections, allergies, and some serious illnesses. High levels usually mean the body is reacting to ...

For most healthy adults, creatine supplements are safe and do not cause kidney problems. Creatine may raise blood creatinine levels, which can sometimes lead to false-positive results on kidney ...