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Dr. Chet’s Health Memos

If it’s in the health news today, I’ll be writing about it as soon as I read the research, both old and new. With my email Health Memos, you’ll know more about making lifestyle choices that will help you get and keep good health. These free, concise updates on health are emailed to subscribers twice a week. Subscribe today and get a free MP3, in English or Spanish, of Dr. Chet’s Top Ten Tips—Small Changes for a Healthier Life.

Insulin-and-Carbs

Carbohydrates and Insulin

September 9, 2026/in Memos/by Chet Zelasko

On a typical busy morning, a person has a fairly good dose of carbohydrates in the form of a sugary cereal, a bagel, a pastry, or a breakfast sandwich from a drive-thru. Then a couple of hours later, they seem to crash—not their car, but their energy seems to drain away. Maybe they start to […]

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https://www.drchet.com/wp-content/uploads/2026/09/Insulin-and-Carbs.jpg 630 1200 Chet Zelasko https://www.drchet.com/wp-content/uploads/2017/08/Logo-cz.jpg Chet Zelasko2026-09-09 06:00:002026-09-08 16:11:20Carbohydrates and Insulin
Deadlift

Three Challenges

September 1, 2026/in Memos/by Chet Zelasko

This weekend is the last holiday of the summer or the first of the fall, depending on how you look at it. I’d like to challenge you to try three different tasks if they are not part of your regular routine. I’ve talked about high-intensity interval workouts a lot the past couple of months. I’m […]

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https://www.drchet.com/wp-content/uploads/2026/08/Deadlift.jpg 630 1200 Chet Zelasko https://www.drchet.com/wp-content/uploads/2017/08/Logo-cz.jpg Chet Zelasko2026-09-01 06:00:002026-08-31 17:10:12Three Challenges
Omega-3-and-Omega-6

Functional Essential Fatty Acids

August 29, 2026/in Memos/by Chet Zelasko

Understanding that linoleic acid is the essential omega-6 fatty acid and alpha-linolenic acid (ALA) is the essential omega-3 fatty acid, the logical question would be what about fish oil and other sources of omega-3 fatty acids? It’s just a little complicated, but let me explain. It’s true that in humans, we can use ALA to […]

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https://www.drchet.com/wp-content/uploads/2026/08/Omega-3-and-Omega-6.jpg 630 1200 Chet Zelasko https://www.drchet.com/wp-content/uploads/2017/08/Logo-cz.jpg Chet Zelasko2026-08-29 06:00:002026-08-24 16:10:21Functional Essential Fatty Acids
EssentialFattyAcids

Essential Fatty Acids

August 25, 2026/in Memos/by Chet Zelasko

There are always controversies in nutrition. With all that’s been written about seed oils and sources of omega-3 fatty acids, I thought we’d go back to the basics this week—back to what are the essential fatty acids, seen above floating in the bloodstream. Similar to essential amino acids, essential fatty acids are the fats that […]

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https://www.drchet.com/wp-content/uploads/2026/08/EssentialFattyAcids.jpg 630 1200 Chet Zelasko https://www.drchet.com/wp-content/uploads/2017/08/Logo-cz.jpg Chet Zelasko2026-08-25 06:00:002026-08-24 15:43:13Essential Fatty Acids
Sumos

Exercise Rules!

August 22, 2026/in Memos/by Chet Zelasko

The top sumo wrestlers weigh an average of 355 pounds. I watched a little wrestling when Konishiki, a Hawaiian sumo, was popular; he had been the heaviest sumo up to that time weighing over 600 pounds. The question is with weighing so much, are sumo wrestlers at risk for weight-related disease? It comes down to […]

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https://www.drchet.com/wp-content/uploads/2026/08/Sumos.jpg 630 1200 Chet Zelasko https://www.drchet.com/wp-content/uploads/2017/08/Logo-cz.jpg Chet Zelasko2026-08-22 06:00:002026-08-20 14:34:54Exercise Rules!
VisceralFat-SubcutaneousFat

Body Fat: Location Matters

August 18, 2026/in Memos/by Chet Zelasko

Last week, I mentioned in passing that a hippopotamus has less body fat than most humans. Since then, I’ve wondered exactly how little body fat they had. By several estimations, it’s around 5%—about the same as elite soccer players. That’s not enough fat to cause the hippo health problems as we see in humans; they […]

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https://www.drchet.com/wp-content/uploads/2026/08/VisceralFat-SubcutaneousFat.jpg 630 1200 Chet Zelasko https://www.drchet.com/wp-content/uploads/2017/08/Logo-cz.jpg Chet Zelasko2026-08-18 06:00:002026-08-17 15:56:56Body Fat: Location Matters
Hippo eating ice cream

Your Perfect Diet

August 15, 2026/in Memos/by Chet Zelasko

Continuing what I learned from the podcast, I hope you had the chance to listen to it as well. I checked out Dr. Daniel Lieberman’s research, and he is a leading expert in his field. There are three facts that stood out to me. Three Facts The first thing I learned is that hippopotami have […]

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https://www.drchet.com/wp-content/uploads/2026/08/Hippo.jpg 630 1200 Chet Zelasko https://www.drchet.com/wp-content/uploads/2017/08/Logo-cz.jpg Chet Zelasko2026-08-15 06:00:002026-08-10 17:27:22Your Perfect Diet
InsiderGuestPass

Get a Guest Pass

August 13, 2026/in Memos/by Chet Zelasko

Have you ever wondered what being an Insider is like? One of the benefits is our monthly conference call, and I’m giving everyone an opportunity to participate for a small fee. You’ll be able to participate two ways: you’ll be able to listen to my presentation on the nutrition topic I’ll be talking about, plus […]

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https://www.drchet.com/wp-content/uploads/2026/08/GuestPass-1.jpg 630 1200 Chet Zelasko https://www.drchet.com/wp-content/uploads/2017/08/Logo-cz.jpg Chet Zelasko2026-08-13 06:00:002026-08-12 16:39:08Get a Guest Pass
Caveman and Paleo diet

Paleolithic Diet: More Hype than Hope?

August 11, 2026/in Memos/by Chet Zelasko

Over the weekend, I was listening to a podcast about the Paleolithic diet. Daniel Lieberman, the expert being interviewed, has focused his research on the Paleolithic era. I found it quite interesting based on the number of gurus and influencers that continue to say that era was the diet we should mimic for optimal health. […]

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https://www.drchet.com/wp-content/uploads/2026/08/CavemanDiet.jpg 630 1200 Chet Zelasko https://www.drchet.com/wp-content/uploads/2017/08/Logo-cz.jpg Chet Zelasko2026-08-11 06:00:002026-08-10 17:09:48Paleolithic Diet: More Hype than Hope?
CrazyExercise

Exercise on the Wild Side

August 8, 2026/in Memos/by Chet Zelasko

Here are a few observations and comments about exercising on the wild side. What we think about structure and uniformity to our schedule is important; having a schedule and sticking to it relieves you of the need to decide what you’re going to do every day. But some of the time, we just have to […]

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https://www.drchet.com/wp-content/uploads/2026/08/CrazyExercise.jpg 630 1200 Chet Zelasko https://www.drchet.com/wp-content/uploads/2017/08/Logo-cz.jpg Chet Zelasko2026-08-08 06:00:002026-08-07 15:42:20Exercise on the Wild Side
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