B cells are white blood cells that form a core part of the body's adaptive immune system, enabling it to recognize specific ...

This article is part of a broad series on recent advances in the science and medicine of longevity and aging. The series covers a range of topics, including musculoskeletal health. Expect more ...

Researchers from the German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE) and other partner institutions of the ...

Building functional human muscle in the laboratory has long been a goal of regenerative medicine, but one stubborn obstacle remains: real muscle is not just a mass of cells. Its strength and function ...

Ultra-processed foods may increase the amount of fat that gets stored in the thigh muscles, a new study suggests, raising the ...

Creatine and protein powder are popular supplements for muscle health. Learn what happens to your muscles when you take creatine and protein powder.

Sometimes nature provides the best blueprints for building effective robots. It also can provide the best material. Billions of years of natural selection has built some pretty impressive machinery, ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Not everybody has the ...