Adrenaline increases the "alertness" of the nervous system, meaning it's ready to trigger muscle contraction. It also increases the amount of blood flow and changes the tension of the muscles, which, ...

Our muscles fibres can become misshapen as we age, but resistance training seems to at least partially restore them, according to a study in about 200 people. Some past research has reported misshapen ...

How muscle changes with ageing, and tries to fight its effects, is now better understood at the cellular and molecular level with the first comprehensive atlas of ageing muscles in humans. Researchers ...

Stop choosing between muscle repair and digestive health—these nutrient-dense staples deliver the ultimate "one-two punch" ...

The first comprehensive cell atlas of aging human muscle reveals the intricate genetic and cellular processes behind muscle deterioration and mechanisms to counteract it. How muscle changes with ...