Your Body Has an Anti-Aging Switch (Here’s How to Turn It On)

Dave Asprey

Nov 2, 2025

Episode description

What if getting older had less to do with your birthday and more to do with the health of your cells? Some people in their 50s feel stronger and sharper than ever, while others feel decades older than they are. The difference isn’t luck or expensive treatments. In this video, you’ll learn what really drives aging, how to measure it, and the surprising practices that can help you feel younger, stronger, and more focused right now.

Chapters

0:00 – Introduction

0:21 – Why aging isn’t about time

0:49 – Biological age vs chronological age

1:40 – Cellular dysfunction and mitochondria

3:00 – How weak mitochondria accelerate aging

4:00 – Turning on your body’s switch

6:44 – REHIT workouts to build new mitochondria

8:45 – Fueling with fats for clean energy

10:05 – Your body’s deep clean process

13:56 – Fasting methods that support renewal

15:58 – The hidden factor: chronic stress

19:02 – Stress hacks to unlock longevityConnect with Dave Asprey!

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Mindsip insights from this episode:

Biohack stress by grounding for 20 minutes daily

You can biohack stress by standing barefoot on grass or earth for 20 minutes in the morning, which can calm electrical stress in the body.

#grounding

#stress

Trigger new mitochondria with five-minute REHIT workout

You can trigger the creation of new mitochondria with a five-minute REHIT workout, which involves two 20-second all-out sprints on an exercise bike.

#exercise

#mitochondria

Reduce cortisol to enhance autophagy and protect DNA

High cortisol from chronic stress directly blocks autophagy, stops your body from fixing mitochondria, and even shortens the telomeres on your DNA.

#autophagy

#cortisol

Combine fasting with REHIT for optimal results

To maximize results, combine fasting with a REHIT workout to signal your body to first clean up old junk via autophagy and then build new mitochondria.

#fasting

#mitochondria

Address chronic stress to enhance longevity efforts

A hidden factor of chronic stress can silently override all your hard work in diet and exercise by keeping your body in a breakdown mode that prevents repair.

#longevity

#stress

Choose masa chips fried in tallow for a healthier snack

Masa chips are a healthier snack because they are fried in beef tallow instead of inflammatory seed oils and use nixtamalized corn, which removes mycotoxins.

#nutrition

#seed-oil

Implement 5:2 method to combat fatigue and aging

For dealing with extreme fatigue or advanced aging, try the 5:2 method where you eat normally for five days and restrict calories to 500-600 for two days.