You Shouldn't Skip Exercise if You're Older Than This Age, Says Science

Posted over 2 years ago

AUGUST 10, 2021

You might think of aging as something that's far off in the future. But there are some parts of the aging process that begin sooner than you'd think. Take sarcopenia, aka the age-related loss of muscle mass—which starts in your 30s. (Yikes.)

There are a few factors that may cause sarcopenia, according to a 2018 review in the journal Biogerontology. These may include the slowing of protein synthesis, inflammation, fewer satellite cells (which help muscle cells regenerate) and the "infiltration of fat tissue and connective tissue into skeletal muscle," the study authors write. Inactivity can also affect muscle mass—basically if you don't use it, you (temporarily) lose it. Per Harvard Health, you can lose as much as 3% to 5% of your muscle mass per decade.  READ THE ENTIRE ARTICLE