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Internal ShiftsLongevity Signals

Jun 08, 2025

Why a 'Normal' Resting Heart Rate Is Shortening Your Lifespan

Issue #17 · Read Time: 5 minutes

Tahsin Khan

May 25, 2025

Drowning in Advice but Starving for Judgment

Issue #16 · Read Time: 4.5 minutes

Tahsin Khan

Apr 27, 2025

Heart Rate Variability: The Metric That Knows You’re Burning Out Before You Do

Issue #15 · Read Time: 5 minutes

Tahsin Khan

Apr 20, 2025

Why Your Brain Chooses Misleading Health Advice

Issue #14 · Read Time: 5.5 minutes

Tahsin Khan

Apr 06, 2025

"Just Move" Is The Starting Line, Not The Destination

Issue #13 · Read Time: 5 minutes

Tahsin Khan

Mar 23, 2025

When Your Mind Becomes Fluent in Self-Betrayal

Issue #12 · Read Time: 5.5 minutes

Tahsin Khan

Mar 02, 2025

Beyond Breathless: How Four-Minute Intervals Ignite Your Longevity

Issue #11 · Read Time: 5 minutes

Tahsin Khan

Feb 23, 2025

Zone 2 Training is The Slow Highway To Longevity

Issue #10 · Read Time: 5.5 minutes

Tahsin Khan

Feb 16, 2025

When the 99th Percentile Leaves You Vulnerable

Issue #9 · Read Time: 4.5 minutes

Tahsin Khan

Feb 09, 2025

Out of Breath, Out of Time: How VO2 Max Shapes Survival

Issue #8 · Read Time: 5 minutes

Tahsin Khan

Feb 02, 2025

'Longevity' Is Killing Our Vision of Living Better

Issue #7 · Read Time: 5 minutes

Tahsin Khan

Jan 26, 2025

Your Body's Hidden Symphony: A New Blueprint For Longevity

Issue #6 · Read Time: 5.5 minutes

Tahsin Khan

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