Christopher Masterjohn

La enfermedad del hígado graso no alcohólico

Read this in: English Una epidemia silenciosa de desequilibrio nutricional Alrededor de setenta millones de estadounidenses podrían tener la enfermedad del hígado graso no alcohólico (EHGNA)1. La enfermedad […]

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How to Know if Your Genetics Contribute to Blue Light Sensitivity and Poor Sleep — and What to Do About It

In a previous post, I discussed the role that vitamin A plays in generating our circadian rhythm and ensuring good sleep and alertness during the day by interacting […]

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Vitamin A Plays an Essential Role in Setting the Circadian Rhythm and Allowing Good Sleep

Although I have long been aware of vitamin A’s essential role in creating vision, I only recently discovered that vitamin A plays an analogous role in setting our […]

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When SAMe Helps, Consider Magnesium and Your Metabolic Rate

I have written quite a bit recently about the methylation cycle and its relation to nutrient balance. At Wise Traditions this November in Anaheim, one of my three […]

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Are Kombucha and Other Fermented Foods Toxic Because of Their Aldehyde Content?

By Chris Masterjohn, PhD

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Should We Avoid Animal Protein to Optimize Methylation?

A reader asked me to respond to a newsletter recently distributed through email by a representative of a company called Biotics Research Canada that cited two older articles […]

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Did Cod Liver Oil Contribute to the Historical Decline in Measles Mortality and Mortality From Other Infectious Diseases?

Measles has been in the news a lot lately. It therefore seems timely to fulfill my now more than two-year-old promise to write a blog on the possibility […]

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Welcome to WordPress. This is your first post. Edit or delete it, then start blogging!

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An Ancestral Perspective on Vitamin D Status, Part 2: Why Low 25(OH)D Could Indicate a Deficiency of Calcium Instead of Vitamin D

In the first post in this series, I critiqued the “naked ape hypothesis of optimal serum 25(OH)D,” which I believe influences many researchers to interpret uncertainties in the […]

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An Ancestral Perspective on Vitamin D Status, Part 1: Problems With the “Naked Ape” Hypothesis of Optimal Serum 25(OH)D

It has become increasingly common for health enthusiasts and now even typical patients in the doctor’s office to have a lab estimate their vitamin D status by measuring […]

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Undercarboxylated Osteocalcin: Marker of Vitamin K Deficiency, or Booster of Insulin Signaling and Testosterone?

Osteocalcin is a vitamin K-dependent protein that our bones produce. The job of vitamin K is to activate this protein by adding carbon dioxide to it, which in […]

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The Scientific Approach of Weston Price, Part 7: Placing Price’s Work in Context

This is the seventh and final installment in a series of posts in which I am laying out the most salient points from my 2012 Real Food Summit […]

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Does Carnitine From Red Meat Contribute to Heart Disease Through Intestinal Bacterial Metabolism to TMAO?

In April of 2011, I posted a rebuttal of a Nature paper from Stanley Hazen’s group at the Cleveland Clinic arguing that choline from animal foods causes heart […]

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Thyroid Hormone and Vitamin A Protect Against Vitamin D Toxicity in Cows

I recently came across several papers published in The Veterinary Record in the 1960s documenting the efficacy and risks of injecting cows with a mega-dose of vitamin D […]

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The Scientific Approach of Weston Price, Part 6: Conclusions — Real Food, and the Difference Between Knowledge and Wisdom

This is the sixth installment in a series of posts in which I am laying out the most salient points from my 2012 Real Food Summit talk, “Weston […]

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The Scientific Approach of Weston Price, Part 5: Conclusions — Wheat and Other Cereal Grains

This is the fifth installment in a series of posts in which I am laying out the most salient points from my 2012 Real Food Summit talk, “Weston […]

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The Scientific Approach of Weston Price, Part 4: Was Price’s Approach an “Evolutionary Approach”?

This is the fourth installment in a series of posts in which I am laying out the most salient points from my 2012 Real Food Summit talk, “Weston […]

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The Scientific Approach of Weston Price, Part 3: The Scope of Price’s Work

This is the third installment in a series of posts in which I will lay out the most salient points from my 2012 Real Food Summit talk, “Weston […]

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Could MGP Eventually Be Used as a Non-Invasive Marker for Cardiovascular Microcalcifications?

In my recent interview with Dr. Mercola, we discussed measuring vascular calcification with coronary CT scans. This technique offers valuable information, but also a large dose of radiation, […]

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The Scientific Approach of Weston Price, Part 2: Problems With Comparing Different “Racial Stocks,” With Inuit Adaptations in Vitamin D Metabolism As an Example

This is the second installment in a series of posts in which I will lay out the most salient points from my 2012 Real Food Summit talk, “Weston […]

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An Upcoming Plasma Marker of Blood Vessel Vitamin K Status

As I first wrote about back in 2007 in my article, “On the Trail of the Elusive X Factor,” matrix Gla protein (MGP) is a vitamin K-dependent protein […]

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The Scientific Approach of Weston Price, Part 1: Nature’s Closest Thing to an RCT

Last September I gave a two-part talk for Sean Croxton’s Real Food Summit over at Underground Wellness called “Weston Price on Primitive Wisdom,” which covered Price’s scientific approach, […]

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Did Family Planning Contribute to the Modern Decline in Infectious Disease Mortality?

In 1976, Thomas McKeown published The Modern Rise of Population, wherein he argued that the increase in population that occurred in industrialized nations over the nineteenth and twentieth […]

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Egg Study Redux: Correcting the Stats

In my last post, I criticized the recent study purporting to show that egg yolks increase atherosclerosis. After corresponding with the lead author, Dr. J. David Spence, I […]

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Does Eating Egg Yolks Increase Arterial Plaque?

Please also see Egg Study Redux: Correcting the Stats Dr. J. David Spence of Ontario’s Stroke Prevention and Atherosclerosis Research Center and two of his colleagues have just […]

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Why Animal Fats Are Good for You — My Low-Carb Cruise 2012 Lecture

The video of my 2012 Low-Carb Cruise Lecture, “Why Animal Fats Are Good for You,” is now up on YouTube! And that, of course, is thanks to Terry […]

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I’m 95% Confident This is a Good Definition of a P Value

In my last post, “Being Statistically Significant Is Nothing Like Being Pregnant,” I explained why I took the following result seriously, even though with a P value of […]

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Being Statistically Significant Is Nothing Like Being Pregnant

I just wanted to make that clear in case any of you fellas were afraid your P value might be <0.05. Actually I have a more serious reason […]

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The Maasai, An Interlude — What Does All This Sociocultural and Historical Stuff Have to Do With Heart Disease?

In parts one and two of this series, I presented a “glimpse” of the Maasai, first of their way of life as it existed in a particular village […]

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AJCN Publishes A New PUFA Study That Should Make Us Long For the Old Days

I just got back from the 2012 Low-Carb Cruise, where I gave a very well received 45-minute talk called “Why Animal Fats Are Good For You,” in which […]

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Glutathione 101, Part 1: Cysteine Misbehaves, But Glutathione Saves

I’ve written a lot about our good friend glutathione on this blog (here and here), and I’ll be writing about him quite a bit more in the future. […]

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With the Wave of a Wand, Raw Milk Wipes Away the Wheeze: How Our Good Friend Glutathione Protects Against Asthma

Our valiant, cape-wearing, free radical-wrestling, toxicant-thwarting Raw Milk is back in town with his courageous army of raw food volunteers, and this time their mission is to get […]

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New Evidence of Synergy Between Vitamins A and D: Protection Against Autoimmune Diseases

One of the perennial topics of this blog is the synergy between vitamins A and D. A new Japanese study published last July in the journal Immunology Letters […]

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Good Lard, Bad Lard: What Do You Get When You Cross a Pig and a Coconut?

An estimated 50,000 mice worldwide are charting new territories of chubbiness as they chow down on the infamous, lard-based, high-fat rodent diet, “D12492.” As I reported a few […]

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Taking a Trip Down Memory Lane, Fishing for Our Good Friend Glutathione in the Waters of the Memory Hole: How T. Colin Campbell Helped Prove That Protein Protects Us

This past Thursday marked the one-year anniversary of The Curious Case of Campbell’s Rats, wherein we took a wild ride through over two decades of animal research in […]

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The Masai Part II: A Glimpse of the Masai Diet at the Turn of the 20th Century — A Land of Milk and Honey, Bananas From Afar

As always, if the font is too small, you can enlarge it using the “control” and “plus” buttons. In keeping with the spirit of the first part of […]

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Fat and Diabetes: Bad Press, Good Paper, and the Reemergence of Our Good Friend Glutathione

A number of people have asked for my comments on the recent headlines claiming that “high-fat diets cause diabetes,” based on a recent paper published in Nature Medicine […]

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The Masai Part I: A Glimpse of Gender, Sexuality, and Spirituality in the Loita Masai (installment 3)

As always, if the font is too small you can use control and plus to enlarge it. This is the third and final installment of “Part I” of […]

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The Masai Part I: A Glimpse of Gender, Sexuality, and Spirituality in the Loita Masai (installment 2)

Note: As always, if the font is too small, you can enlarge it using the control and plus buttons. This post is the second installment of “Part I” […]

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The Masai Part I: A Glimpse of Gender, Sexuality, and Spirituality in the Loita Masai (installment 1)

As always, if the font is too small you can enlarge it using the control and plus buttons. The opening of Melissa Llewelyn-Davies’ five-part 1984 documentary, Diary of […]

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The Masai: Introduction

As always, if the font is too small you can use the control and plus buttons to enlarge it. Those of us in the assortment of fat-and-cholesterol-aren’t-going-to-kill-you communities […]

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Understanding Weston Price on Primitive Wisdom — Ancient Doesn’t Cut It

In Nutrition and Physical Degeneration, Price put great emphasis on the degeneration caused by the nutritional transition to modern industrial diets. It can be tempting for us to […]

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Weston Price Looked for Vegans But Found Only Cannibals

As I prepare for my talk in NYC this weekend, I have to tone down the blogging a bit. So it will be back to our regularly scheduled […]

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Does Dietary Choline Contribute to Heart Disease?

I’ve been writing a lot about choline lately. Most recently, my article entitled “Nonalcoholic Fatty Liver Disease: A Silent Epidemic of Nutritional Imbalance” contained a major section on […]

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The 2010 USDA/HHS Guidelines — A Rather Bizarre Definition of “Nutrient Dense”

The new USDA/HHS Guidelines are not entirely bad —for example, they recommend limiting added sugars, tossing the hydrogenated oils, and even limiting fruit juice, and they advocate sidewalks, […]

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Vitamin D — Problems With the Latitude Hypothesis

As always, if the font is too small you can increase the size by pressing ‘control’ and the ‘plus’ sign. Virtually everything we know about vitamin D and […]

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Is Vitamin D Safe? Still Depends on Vitamins A and K! Testimonials and a Human Study

As always, if the font is too small, you can use “control +” to increase its size. In the last several weeks, two momentous occasions have occurred in […]

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Why Is My Cholesterol So High On This Diet?

As always, if the font is too small to read, you can increase its size by pressing “control” and “+.” Lots of people find that eating a WAP-friendly […]

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Addendum to “The Curious Case of Campbell’s Rats”

Several readers forwarded me a response to my post “The Curious Case of Campbell’s Rats” that had been posted on the vegetarian site, 30 Bananas a Day!, and […]

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The Curious Case of Campbell’s Rats — Does Protein Deficiency Prevent Cancer?

By now, we’ve all heard of The China Study. First T. Colin Campbell, a lifetime expert researcher and policy maker at the highest levels, made it a best […]

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The Biochemical Magic of Raw Milk and Other Raw Foods: Glutathione

If the font is too small, as always you can use “control” and “plus” to enlarge it. One of the many benefits of raw milk may be its […]

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Reductionism and Holism Go Hand in Hand

One of the themes that has recently emerged with the resurgence of debate over the China Study is the supposed conflict between “reductionism” and “holism.” For example, T. Colin […]

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Denise Minger’s Refutation of Campbell’s “China Study” Generates Continued Debate

Denise Minger’s recent critical review of Dr. T. Colin Campbell’s The China Study has elicited a response from Dr. Campbell himself. Minger made a brilliant response that can […]

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Does Eating Fat Clog the Liver?

A note to readers: if the font is too small to read, please press “control” and the “plus” sign on your keyboard. I recently received the question from […]

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Denise Minger Refutes the China Study Once and For All

As one reader recently commented on a different blog, I lit a fire to the China Study five years ago but Denise Minger just burned the whole thing […]

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New Evidence of Synergism Between Vitamins A and D — Can They Cure Diabetes?

In 2008, researchers discovered that adult mice harbor pancreatic stem cells. When the mice suffered pancreatic injury, they would make a chemical called “neurogenin-3” that made these stem cells turn into fully functional insulin-producing […]

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Are Some People Pushing Their Vitamin D Levels Too High?

Has science proven that the minimal acceptable blood level of vitamin D, in the form of 25(OH)D, is above 50 ng/mL (125 nmol/L)? No. If you’ve been trying to maintain […]

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Drs. Linday and Hollick and Colleagues Defend Cod Liver Oil, Citing the Weston A. Price Foundation!

In November of 2008, Dr. Cannell of the Vitamin D Council published a commentary in the journal Annals of Otology, Rhinology & Laryngology attacking cod liver oil because […]

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Further Questions on Vitamin A

A number of people have tried asking questions or leaving comments on my blog post, “More Attacks on Vitamin A.” Due to a software gitch we are currently […]

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More Attacks on Vitamin A

See also: Further Questions on Vitamin A Many people have asked me or the Weston A. Price Foundation to respond to a recent newsletter put out by Dr. […]

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Does Meat Really Leach Calcium from the Bones?

In the current issue of the American Journal of Clinical Nutrition, a group of “paleolithic nutrition” and “evolutionary health” researchers published an analysis of the acid-base balance of […]

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Christopher Masterjohn

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