Dr Anthony Chaffee

Dr Anthony Chaffee This Is the official page for Dr Anthony Chaffee of the Plant Free MD podcast. Note: Message Inbox is not monitored

Raw vs Cooked meat on carnivore. The age old question. What are the facts and nuance? Is it risky to eat raw, or can it ...
02/28/2026

Raw vs Cooked meat on carnivore. The age old question. What are the facts and nuance? Is it risky to eat raw, or can it level up your carnivore diet experience? Let's look at the facts.

Look it up on YouTube, or use the link below:
https://youtu.be/aZVa5PfhvX0

Or connect "Raw" here in the comments and I'll send you a link.

02/22/2026

Why do we accept that our brains are going to shrink as we age? In medicine we accept this, and really this to patients, that as you get older your brain is going to shrivel up and atrophy. But why is that, seeing is that no other healthy animal in the wild or even captivity being fed their natural diet experiences this?

The fact is your brain needs specific nutrients such as B12, D3, choline, creatine, carnitine, and yes saturated fats and cholesterol in order to not only develop but to maintain size and proper function throughout life.

Scientists have long known that inadequate levels of B12 can lead to demyelination of the white matter, reduction in neurological function, and physical shrinkage of the brain. Oxford University quantified this in 2008 when they publish a study in elderly patients showing that even in so-called normal ranges of B12, above the normally accepted deficiency line of 150 pmol/L People's brains were shrinking by 2.5% to 5.25% every 5 years. That's about 0.5% to 1.1% of brain volume lost on MRI every single year.

So if we know that B12 even in normal ranges between 300 and 500 pmol/L can lead to demyelination and brain shrinkage, and the reference range often only goes up to 600 to 700, and all the way down to 150, why wouldn't we at least ask the question of whether or not our brains are shrinking as we age because of nutritional deficiencies as opposed to our natural physiology as we age? That's just low hanging fruit and lazy science to ignore that.

Also, if B12 levels two are even three times higher than the normal level we considered deficient is low enough to cause the brain to shrink, then obviously that is not an acceptable reference range, but instead a clear clinical deficiency that can cause brain damage in certain individuals. As a tangent, the reference ranges need to be completely redone, not based on averages for the local population but based on hard scientific evidence measuring more optimal levels in clinical patients.

Vitamin B12 status and rate of brain volume loss in community-dwelling elderly.
https://pubmed.ncbi.nlm.nih.gov/18779510/
PMID: 18779510

I've just reached 130K followers! Thank you for continuing support. I could never have made it without each one of you!
02/21/2026

I've just reached 130K followers! Thank you for continuing support. I could never have made it without each one of you!

02/20/2026

Do you need carbohydrates to thrive, or even survive? This really shouldn't be a debate anymore, the evidence is overwhelming against it. Humans have not only survived but thrived in much harsher and life-threatening conditions, such as the ice ages, for 99% of human existence without carbohydrates. So as far as survival, that's a non-starter to suggest that you need carbohydrates.

As for thriving, again the evidence is overwhelming that carbohydrates cause direct harm, without any added benefit as long as you are getting adequate nutrition and energy from other sources, such as our primary diet of fatty meat.

You can even see this in the genome, where humans didn't even have the genetic code to make amylase in any abundance prior to the agricultural revolution about 10,000 years ago. Amylase is the enzyme that breaks down starch, plant carbohydrates. So if we didn't even have the genetic ability to break down starch and carbohydrates from plants, we clearly weren't eating them or requiring them.

The evidence goes on and on, as you will see in this video, so as you can see the evidence is thoroughly against carbohydrates being necessary or beneficial in the human diet.

This is of course not an exhaustive list of evidence against eating carbohydrates. What are some other reasons and evidence that you can think of as well?

02/15/2026

My main issue with coffee and tea is that they have anti nutrients, such as phytic acid, tannins, saponins, and many other compounds that can and will block out many essential vitamins, minerals, proteins, and fats from your diet.

This also includes supplements and even medications.

I see this daily in my medical practice where coffee drinkers, even on carnivore, won't have optimal levels like carnivores without coffee will. Worse, I have patients who are on thyroid medication who, when drinking coffee or tea within 2 hours of taking their medication, won't absorb it at all. We can measure thyroid levels when on medication, and when they drink coffee, the thyroid medication didn't even register; it's like they are not even taking it at all.

Caffeine will also strip out magnesium and calcium from your blood stream and make you urinate it out, lowering your levels even further.

You have to wonder how many people are on much higher doses of medications simply because they are drinking coffee or tea with them in the morning and aren't absorbing them. It's probably quite a lot.

Also, coffee makes me sore after working out for 2 days, when otherwise I wouldn't be sore at all.

So drink coffee or tea if you like, if you are ok with what happens when you do, but at least try to not drink either within 2 hours of food, supplements, or medications.

Came up to Fairbanks, Alaska with .marie_s for a couple of days, hoping to see the Northern Lights. And see them we did!...
02/12/2026

Came up to Fairbanks, Alaska with .marie_s for a couple of days, hoping to see the Northern Lights. And see them we did!

There are some amazing how springs up here as well, and a lot of outdoor activities that we had a lot of fun doing. Remember to dress warm though!

02/11/2026

"Fat makes you fat" is what people have said got the past 50 years. And yet, when we have reduced animal and saturated fat consumption dramatically during that same time period, we've become the fastest and sickest that we've ever been in human history.

In fact, eating more fat can trigger fat loss, and excluding carbs puts you on a fast buttoning metabolism. Being in a ketogenic state has been shown to increase metabolic rate by 350 kcal/day. Increasing fat above 90% total calories per day and protein under 9% (like the Inuit on their traditional diet proportions) can increase fat burning by an additional 400 kcal/day.

So eating a high fat ketogenic diet, like carnivore, can actually significantly increase fat loss, as opposed to making you store fat.

02/10/2026

Nutrition and weightloss has a LOT more to do with hormones and metabolism than "calories in, calories out" which is a made up concept in any case. Your metabolic rate is not set; it changes for a variety of reasons, including under eating. We've known since the 1940's with the Minnesota Starvation Studies that if you starve yourself you will actually slow down your metabolism (like all animals do in winter for example) and so losing weight, even with extreme fasting and restriction.

Even more importantly, when you start eating again you will actually regain MORE weight than you lost, and very quickly, because you metabolism stays suppressed for a long time afterwards and wants to store fat for energy, as the next fanning might be around the corner.

Your body cannot tell the difference between winter, a famine, or you cutting did intake to slim down. It's all starvation to your body, and your body will react by spring down your metabolism so that you can survive; just like all life on Earth has done since life existed.

Great new podcast out with Dr Anthony Jay PhD! Watch it here on YouTube, or comment 'hormones' and I'll send you a DM w...
02/10/2026

Great new podcast out with Dr Anthony Jay PhD!

Watch it here on YouTube, or comment 'hormones' and I'll send you a DM with the link!
https://youtu.be/F6r7xoJCSrc

Dr. Anthony G. Jay, PhD, is a biochemist, DNA-based health consultant, and author of the bestselling book Estrogeneration: How Estrogenics Are Making You Fat, Sick, and Infertile.

He earned his PhD in Biochemistry from Boston University School of Medicine, where he researched fats, hormones, and cholesterol, and later worked as a research scientist at the Mayo Clinic studying stem cells, epigenetics, and infrared light.

Through AJ Consulting Company, Dr. Jay now specializes in personalized DNA analysis and advising on hidden estrogenic chemicals in food, water, and everyday products that may impact metabolism, fertility, and long-term health.

02/09/2026

Why do we accept the fact that more and more people are getting sicker and sicker, at younger and younger ages, decade after decade? That doesn't happen in any other form of life, anywhere on Earth. So why would we assume that it's normal for us?

Fantastic new episode with Dr Boz out on YouTube now! Search for our interview on my channel on YouTube now, hit the l...
02/02/2026

Fantastic new episode with Dr Boz out on YouTube now!

Search for our interview on my channel on YouTube now, hit the link below, or comment "Keto" And I will send you a DM with the link.

YouTube:
https://youtu.be/m_x2SAh1Rak

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Seattle, WA

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