Monash University Jun 11 2026 The powerful role of exercise in maintaining skeletal muscle could be the key to improving health and resilience in older age, according to new research from Monash University. Physical activity is one of the most powerful ways to combat biological aging, which is the way our organs and tissue decline as we get older. The new research, published today in Science Advances , has used preclinical models to uncover the key role a protein found in skeletal muscle, NOX4,