Why Muscle Matters Most
2 min lessonLesson 4 of 22
Intro video
~91s · watch, then read
One key takeaway
Discover why muscle is one of the strongest predictors of metabolism, strength, mobility, and longevity.
Preview
Lean mass is everything that isn't fat. It's your muscle, bone, organs, and fluid — and the more of it you carry into midlife, the better your body handles almost everything.
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Coach reflection
"What would change for you if you knew your lean mass was steadily rising every quarter?"
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