If adults with early-stage liver disease do supervised weight training three times a week for three months, they get noticeably stronger and their thigh muscles grow bigger—this could help them fight off the muscle wasting that often comes with liver disease.

If you have early-stage liver disease and do supervised weight training for 12 weeks, you might gain muscle and lose the wasting that often comes with the disease—while people who don’t exercise stay the same.

If adults with a mild form of liver disease do 12 weeks of guided strength training, they can walk farther in six minutes than those who stay inactive—meaning they get stronger and less tired.

For people with early-stage liver disease, doing guided weight or resistance exercises is just as safe as not doing them—no more side effects happened in the exercise group than in the group that didn’t exercise.

If older guys who are already active do full-body strength training three times a week for three months, they’ll get stronger legs and bigger leg muscles—even without adding extra protein to their diet.

If you're over 60 and lifting weights, doing it more than twice a week probably won't make you any stronger or give you bigger muscles than doing it just twice a week.