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Longevity Signals

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Internal ShiftsVital ReviewLongevity Signals
Pour Decisions: How Your Brew Method Might be Grounds for Concern
Aug 17, 2025

Pour Decisions: How Your Brew Method Might be Grounds for Concern

Issue #19 · Read Time: 5 minutes

Tahsin Khan
Tahsin Khan
Why a 'Normal' Resting Heart Rate Is Shortening Your Lifespan
Jun 08, 2025

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

Issue #17 · Read Time: 5 minutes

Tahsin Khan
Tahsin Khan
Heart Rate Variability: The Metric That Knows You’re Burning Out Before You Do
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
Tahsin Khan
"Just Move" Is The Starting Line, Not The Destination
Apr 06, 2025

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

Issue #13 · Read Time: 5 minutes

Tahsin Khan
Tahsin Khan
Beyond Breathless: How Four-Minute Intervals Ignite Your Longevity
Mar 02, 2025

Beyond Breathless: How Four-Minute Intervals Ignite Your Longevity

Issue #11 · Read Time: 5 minutes

Tahsin Khan
Tahsin Khan
Zone 2 Training is The Slow Highway To Longevity
Feb 23, 2025

Zone 2 Training is The Slow Highway To Longevity

Issue #10 · Read Time: 5.5 minutes

Tahsin Khan
Tahsin Khan
Out of Breath, Out of Time: How VO2 Max Shapes Survival
Feb 09, 2025

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

Issue #8 · Read Time: 5 minutes

Tahsin Khan
Tahsin Khan
Your Body's Hidden Symphony: A New Blueprint For Longevity
Jan 26, 2025

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

Issue #6 · Read Time: 5.5 minutes

Tahsin Khan
Tahsin Khan
DEXA Scans: A Superpower As Strong As X-Ray Vision
Jan 19, 2025

DEXA Scans: A Superpower As Strong As X-Ray Vision

Issue #5 · Read Time: 5.5 minutes

Tahsin Khan
Tahsin Khan
Your Mirror Lies: The Visceral Fat That Threatens Your Longevity
Jan 12, 2025

Your Mirror Lies: The Visceral Fat That Threatens Your Longevity

Issue #4 · Read Time: 5 minutes

Tahsin Khan
Tahsin Khan
What Your Scale Isn’t Telling You
Jan 05, 2025

What Your Scale Isn’t Telling You

Issue #3 · Read Time: 4 minutes

Tahsin Khan
Tahsin Khan
The Overlooked Vital Sign That Could Add Years to Your Life
Dec 29, 2024

The Overlooked Vital Sign That Could Add Years to Your Life

Issue #2 · Read Time: 5 minutes

Tahsin Khan
Tahsin Khan
A 5-minute weekly read on how to think about longevity—and spot the shifts needed to stay ahead, while there’s still time.

Vital Shift

A 5-minute weekly read on how to think about longevity—and spot the shifts needed to stay ahead, while there’s still time.

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