If you follow Dr. Michael Ruscio, you may have seen this a few weeks ago. I was swamped when it came out and dropped the ball on promoting it in a timely fashion. But if you get the news about my guest podcasts from me, then this is new for you. This one’s all about how …
The Evolution of Diverse Vitamin D Requirements
Whites have higher 25(OH)D than every other racial group, and the conventional explanation is that light skin evolved to allow sufficient vitamin D synthesis far away from the equator. In episode 24, I explain why these differences may relate to genetics of vitamin D metabolism that have nothing to do with skin color and may …
An Ancestral Perspective on Vitamin D Status, Part 2: Why Low 25(OH)D Could Indicate a Deficiency of Calcium Instead of Vitamin D
Here is the second installment in my new series over at Mother Nature Obeyed: An Ancestral Perspective on Vitamin D Status, Part 2: Why Low 25(OH)D Could Indicate a Deficiency of Calcium Instead of Vitamin D Here’s the video summary: Enjoy!
An Ancestral Perspective on Vitamin D Status, Part 1: Problems With the Naked Ape Hypothesis of Optimal Serum 25(OH)D
I’m writing a new series over at Mother Nature Obeyed. Here’s the first post: An Ancestral Perspective on Vitamin D Status, Part 1: Problems With the Naked Ape Hypothesis of Optimal Serum 25(OH)D Here’s the summary from the Daily Lipid Video Blog: Enjoy!
Thyroid Hormone and Vitamin A Protect Against Vitamin D Toxicity in Cows
New over at Mother Nature Obeyed: Thyroid Hormone and Vitamin A Protect Against Vitamin D Toxicity in Cows Enjoy!
The Scientific Approach of Weston Price, Part 2: Problems With Comparing Different “Racial Stocks,” With Inuit Adaptations in Vitamin D Metabolism as an Example
I’m continuing my series over at Mother Nature Obeyed laying out the most salient points from my talk about Weston Price on Sean Croxton’s Real Food Summit last September. The talk was free for a few days, but to listen to it now you have to purchase the whole summit for $99. If you do …
Having Sex Protects Against Vitamin D Toxicity
My focus for the last six years or so on the need to balance vitamin D with vitamins A and K2 has turned out to be a rather prudish solution to the soft tissue calcification that can often be caused by vitamin D. While a concoction of A and K may hold you up on …
Everything We Thought We Knew About Vitamin D And Latitude Might Be Wrong!
New blog post over at WestonAPrice.Org on why everything we thought we knew about vitamin D and latitude might be wrong: Vitamin D — Problems With the Latitude Hypothesis
Is Vitamin D Safe? It Still Depends on Vitamins A and K! Human Study and Testimonials
New blog over at westonaprice.org: Is Vitamin D Safe? Still Depends on Vitamins A and K! Human Study and Testimonials
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 your levels this high because you thought this was the case, I’m sorry to break the news. There is, on the contrary, good evidence that …