You've heard the statistic: after 40, we lose roughly 1% of our muscle mass every year. Most people hear that number and quietly accept it — as if decline is simply what happens. But here's what almost nobody mentions: the four words that follow that stat in the research. Four words that change everything: "All things being equal."

In this episode of Not Done Yet!, Dr. Brad Cooper unpacks exactly what it means to refuse that condition — and how to shift your personal algorithm from passive decline to active ascent. Whether you're 45 or 75, the science is clear: it is never too late.

You'll hear about the Catalyst Cornerstones (Move, Fuel, Rest, Connect) — the high-return fundamentals hiding in plain sight while everyone chases the latest hack. Beyond that, Dr. Cooper dives into Tier II strategies including strength training, optimal protein intake, and an honest look at creatine and alcohol. For those ready to go further, he covers the Mastery Pursuits — interval training, plyometrics, and the functional mental toughness framework (fMT) that ties it all together.

This episode is for anyone in midlife or life's second half who refuses to let "all things being equal" be the final word on what's possible.

Topics covered: aging and muscle loss, strength training after 50, protein intake for older adults, creatine and cognitive function, interval training, plyometrics, sleep optimization, mental toughness, functional fitness, life's second half, healthy aging, midlife performance, not done yet

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