meta_pixel
Tapesearch Logo
Log in
Kwik Brain with Jim Kwik

Harvard Doctor: The Hidden Reason Behind Low Energy, Aging, and Cognitive Decline (And How to Fix It)

Kwik Brain with Jim Kwik

Jim Kwik, Your Brain Coach, Founder www.KwikLearning.com

Kwikbrain, Education, Memory, Productivity, Jimkwik, Brain, Business

4.85.2K Ratings

🗓️ 9 March 2026

⏱️ 32 minutes

🧾️ Download transcript

Summary

Most people think feeling tired, foggy, and “off” is just what happens with age.

But what if the real issue is that your cells are running on less fuel than they used to?

In this episode of the Kwik Brain podcast, I sit down with Dr. Andrew Salzman, Harvard-trained physician, inventor, and biomedical entrepreneur, to unpack what’s happening at the cellular level when energy drops and your brain stops feeling sharp.

We break down NAD, a molecule involved in hundreds of critical reactions in the body, why it declines as you age, and how inflammation can accelerate that decline. We also talk about NMN, and why your brain is often the first place you feel the effects when cellular energy dips.

In this episode, you’ll learn:

☑️ What NAD does for energy, cognition, and resilience

☑️ Why NAD drops so significantly by midlife

☑️ How NMN works as a precursor to support NAD production

☑️ The “bathtub” model: why boosting NAD is not just about adding more, but also slowing the drain

☑️ How inflammation can drive NAD depletion through CD38

☑️ Why better cellular energy can translate into clearer thinking, better memory, and sharper focus

If you’ve been feeling like your brain isn’t firing the way it used to, your energy is unpredictable, or your focus is slipping, this episode will help you understand what’s happening underneath the surface and what you can do to support your brain at the level where performance actually starts: your cells.


💊 Products Mentioned:

Wonderfeel Youngr™ NMN: https://tidd.ly/3Y990Xi 

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcript

Click on a timestamp to play from that location

0:00.0

Welcome to Quick Brain, bite-sized brain hacks for busy people who want to learn faster and achieve more.

0:06.1

I'm your coach, Jim Quick.

0:08.2

Free.

0:09.3

You're mine.

0:10.3

Let's imagine if we could access 100% of our brain's capacity.

0:15.3

I wasn't high, wasn't wired, just clear.

0:17.9

I knew what I needed to do and how to do it.

0:20.3

I know Kung Fu.

0:23.1

Show me.

0:26.8

So what if the reason that you feel slower, foggier, or more tired than you're used to isn't your age, but your energy at the cellular level?

0:36.8

Today we're talking about the hidden engine behind memory,

0:40.3

focus, energy, and longevity, and how to protect it in a world that's aging us faster than ever.

0:46.6

Welcome back to the show. I am your host and your brain coach, Jim Quick. If you're listening

0:51.3

to this, it's because you care like me about optimizing your brain,

0:56.0

your energy, your life. Today's guest is Dr. Andrew Salsman, a physician deeply involved in

1:02.7

longevity medicine and cellular health, trained at Harvard Medical School, Yale University,

1:07.7

Columbia University. He's the chief medical officer at Wonderfield, which we'll also

1:13.4

talk about. And his work has shaped everything from cancer treatments to immune research and our

1:19.5

understanding of how our cells repair themselves under stress. We're going to explore what's

1:25.3

really happening inside your cells as you age, why so many high

1:28.7

performers feel burnt out earlier than expected, and what science is revealing about staying mentally

1:34.6

sharp and biologically younger, longer.

...

Please login to see the full transcript.

Disclaimer: The podcast and artwork embedded on this page are from Jim Kwik, Your Brain Coach, Founder www.KwikLearning.com, and are the property of its owner and not affiliated with or endorsed by Tapesearch.

Generated transcripts are the property of Jim Kwik, Your Brain Coach, Founder www.KwikLearning.com and are distributed freely under the Fair Use doctrine. Transcripts generated by Tapesearch are not guaranteed to be accurate.

Copyright © Tapesearch 2026.