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Longevity

Nutrition

+2

Your 3 PM coffee is stealing tomorrow’s energy

Sep 15, 2026

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1 min read

Your 3 PM coffee is stealing tomorrow’s energy

First day of fall, shorter days, bigger slumps. The afternoon cup isn’t fixing the loop — it’s the loop.

Jason @ Dad OS
Jason @ Dad OS

Fatloss

+1

Walking After Eating: Why a 15-Minute Walk Beats the Couch

Sep 10, 2026

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2 min read

Walking After Eating: Why a 15-Minute Walk Beats the Couch

What a short walk does to your blood sugar, how long it takes, and why dinner is the meal that matters most.

Jason @ Dad OS
Jason @ Dad OS

Fatloss

+1

How Many Steps a Day to Lose Weight After 40?

Sep 10, 2026

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2 min read

How Many Steps a Day to Lose Weight After 40?

The number that works, what each 1,000 steps is worth, and where a busy dad finds them.

Jason @ Dad OS
Jason @ Dad OS

Fatloss

+1

Waist-to-Height Ratio for Men: The Number That Beats the Scale

Sep 10, 2026

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2 min read

Waist-to-Height Ratio for Men: The Number That Beats the Scale

Keep your waist under half your height. Here's the chart, how to measure it, and what to do if you're over.

Jason @ Dad OS
Jason @ Dad OS

Nutrition

+2

The 3 PM crash isn’t a sleep problem. It’s a waist problem.

Jun 30, 2026

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1 min read

The 3 PM crash isn’t a sleep problem. It’s a waist problem.

That afternoon wall isn’t about last night’s sleep. It’s about blood sugar and belly fat.

Jason @ Dad OS
Jason @ Dad OS

Nutrition

+2

Stressed about money? Your cortisol is the real debt.

Apr 21, 2026

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2 min read

Stressed about money? Your cortisol is the real debt.

Financial stress triggers the same hormonal cascade as physical danger — 3 moves to break the cycle.

Jason @ Dad OS
Jason @ Dad OS

Supplements

+2

The supplement 73% of men over 40 are missing

Apr 14, 2026

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4 min read

The supplement 73% of men over 40 are missing

One cheap, well-studied supplement most guys skip — and how to know if you’re deficient.

Jason @ Dad OS
Jason @ Dad OS

Longevity

+1

Your battery died over winter. Here’s how to recharge it in 7 days.

Mar 24, 2026

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2 min read

Your battery died over winter. Here’s how to recharge it in 7 days.

A 7-day spring energy reset: morning light, protein timing, and one evening swap.

Jason @ Dad OS
Jason @ Dad OS

Longevity

+1

The one number that predicts how long you'll live (it's not your weight)

Mar 18, 2026

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2 min read

The one number that predicts how long you'll live (it's not your weight)

Your grip is telling you something. Are you listening?

Jason @ Dad OS
Jason @ Dad OS

// Dad OS //
Dads over 40 are losing energy, muscle, and time. Not you. Dad OS — one cheat code. 300 words. Every Tuesday.


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