Muscle loss can creep up faster than you think. Whether it’s due to injury, life changes or simply taking a break from working out, the body begins to change almost immediately when you stop using it.

As we age, our muscles atrophy. Earlier this year, researchers found that hepatocyte growth factor (HGF), a protein critical in skeletal muscle development loses its functionality due to nitration as ...

When astronauts enter the space, they are exposed to weightlessness. Physiological and psychological challenges are waiting ahead. They may have a puffy face and experience space motion sickness, ...