What are the benefits of muscle mass on health and longevity?

The benefits are Muscle mass correlates with a decrease in all-cause mortality. Simply put, the more muscle mass you have, the lesser the risk of dying from a chronic disease than some of your peers.

Explanation:

It turns out that just one hour of resistance exercise each week leads to a decrease in all-cause mortality risk. One hour!

nope

explanation:

men

teens need 8-10 hours of sleep. it kind of depends on what time you get up. but prob around 10 or 11 p.m. or 11 or 11: 30 p.m.