M protein is an abnormal protein caused by plasma cells. See why Myeloma protein might show up in your blood and what kinds of conditions it might be a sign of.

Everyone seems to be drinking clear protein, but what is it exactly? Experts break down everything you need to know about the ...

What you need to know about this essential macronutrient and how it works. Reviewed by Dietitian Kelli McGrane, M.S., RD Proteins are made up of amino acids and are found in every cell of the body ...

Protein is an essential macronutrient that helps with cell repair, immunity, and other key body functions. Learn more about protein and discover the top sources in this scientific guide.

Experts weigh in on the pros and cons of the trendy high-protein diet. Hot List: Midi Dresses, Crocs Clogs, Travel Backpacks, More July Must-Haves. IE 11 is not supported.