Losing muscle strength is a natural part of aging. At the core of this decline is a drop in the number of muscle stem cells ...

Scientists at the University of California, Irvine's School of Pharmacy & Pharmaceutical Sciences have discovered how muscle stem cells "flip a switch" to rebuild damaged muscle – a finding that could ...

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 ...

A research team has found that specific immune cells can connect with muscle fibers in a lightning-fast, neuron-like way to promote healing. These cells deliver quick pulses of calcium, triggering ...

As we age, the muscles we rely on for daily activities tend to become less reliable. With enough decline, even normal movements such as getting out of bed become risky. Low muscle mass in the ...

Doctors and trainers bust the biggest body recomp myth.

Muscle stem cells, which are crucial for building new muscle, don’t work as well as we get older, but giving them an ...

Muscle strength is crucial for good health, particularly as you get older. But muscle naturally deteriorates with age, and as people in the U.S. live longer, doctors are increasingly aware of issues ...

Before Adam Sharples became a molecular physiologist studying muscle memory, he played professional rugby. Over his years as an athlete, he noticed that he and his teammates seemed to return to form ...

Once you've found a strength-training routine that works for you and you've committed to doing it two to three times a week, you'll be eager to see results — so when do the noticeably chiseled arms ...