About Paul von Zielbauer

Paul von Zielbauer

Paul von Zielbauer

Paul von Zielbauer is the creator of AGING with STRENGTH on Substack.

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The 150-Minute-a-Week Fitness Lie May 21, 2026

The 150-Minute Lie The most repeated number in adult fitness — 150 minutes a week of moderate-to-vigorous activity — was never meant to be a target. It was meant to be a floor. Somewhere between the World Health Organization writing it do... Read More

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Walking: Why America's Favorite Exercise Isn't Enough May 14, 2026

New research on nearly 400,000 Americans illuminates an uncomfortable truth for anyone over 50 who believes a daily walk is expanding their healthy lifespan. It isn't. Walking is great exercise. But for those of us in midlife or beyond, walking is a... Read More

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Strength Keeps You Capable -- Power Keeps You Upright May 08, 2026

Walk into any gym and you'll see a guy roughly my age — 50s — grinding out sets of slow, heavy squats. He looks satisfied with the work. He looks committed. He also looks like he's about to throw out his back reaching for the remote three... Read More

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Think You're in Great Shape? Try Using the Floor Apr 30, 2026

The floor costs nothing, which is why the longevity industry has no interest in telling you about it. Somewhere around the third decade of lifting weights, you may start to suspect that the architecture of your training is wrong. Not the effo... Read More