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Longevity

A long view on the next thirty years of moving well.

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Why 'Aging Gracefully' Is the Wrong Goal — And What to Aim For Instead
Longevity

Why 'Aging Gracefully' Is the Wrong Goal — And What to Aim For Instead

There's a more useful framework for the next thirty years than the one most people are using, and it starts with reframing what 'healthy aging' even means.

Dr. Peter Santiesteban · March 22, 2026
Zone 2 Training for Adults Over 50: The Cardio Method That Actually Adds Years
Longevity

Zone 2 Training for Adults Over 50: The Cardio Method That Actually Adds Years

Zone 2 is boring, uncomfortable in a subtle way, and almost universally ignored. It's also the single most important cardiovascular training modality for anyone over fifty.

Dr. Peter Santiesteban · July 20, 2026
Grip Strength and Longevity: What Your Handshake Predicts About the Next 20 Years
Longevity

Grip Strength and Longevity: What Your Handshake Predicts About the Next 20 Years

Of all the simple physical measures researchers have studied, grip strength is one of the strongest predictors of how the rest of your life will go. And it's trainable at any age.

Dr. Peter Santiesteban · August 17, 2026
Sarcopenia After 60: Why Muscle Loss Accelerates and How to Stop It
Longevity

Sarcopenia After 60: Why Muscle Loss Accelerates and How to Stop It

Sarcopenia isn't inevitable. The muscle loss that accelerates in the sixties responds to intervention better than almost any other aging process — but the window and the protocol matter.

Dr. Peter Santiesteban · October 27, 2026
VO2 Max After 50: Why It's the Most Important Fitness Metric
Longevity

VO2 Max After 50: Why It's the Most Important Fitness Metric

Of all the fitness metrics researchers have studied, VO2 max is the one that most consistently predicts how the next twenty years will go.

Dr. Peter Santiesteban · January 30, 2024
Mobility After 60: The Five Ranges That Predict Long-Term Independence
Longevity

Mobility After 60: The Five Ranges That Predict Long-Term Independence

Not all mobility matters equally. Five specific ranges determine whether you'll be chasing grandchildren at seventy-five or watching from a chair.

Dr. Peter Santiesteban · January 9, 2024
Sleep and Athletic Performance in Adults Over 50
Longevity

Sleep and Athletic Performance in Adults Over 50

Of all the levers that affect how you perform, recover, and age, sleep is the one most people neglect and the one with the largest impact.

Dr. Peter Santiesteban · November 28, 2023
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