Brad Marshall

Bear Hunting Season; Native Americans Hunted Bear When The PUFA Content Was Lowest

10 Comments / The SCD1 Theory Of Obesity / By / February 21, 2021

Introduction This is a followup to my post Native Americans Removed Acorn Oil and Replaced It With Bear Fat. It also carries on the theme of adaptive thermogensis, which I introduced in This is Your Body Temperature on Vegetable Oil and continued in The Body Fat Saturation Of Starch Eaters; Linoleic Acid Dysregulates SCD1. In …

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Lori’s Story

5 Comments / Testimonials / By / April 24, 2021

Lori reached out to me wanting to share her story. She initially sent me this email: First of all, thank you!I’ve been doing TCD since your first post.I’m a 63 year old female who is kind of dietary lazy.I didn’t count macros or calories or anything else. For about a year, I had one rule.No …

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The Body Fat Saturation Of Starch Eaters; Linoleic Acid Dysregulates SCD1

17 Comments / The SCD1 Theory Of Obesity / By / February 15, 2021

I’ve argued in The SCD1 Theory of Obesity Part One and Part Two, as well as in This Is Your Body Temperature On Vegetable Oil that if your body fat is highly saturated, you will respond to an increase in body fat by increasing your metabolic rate through a process known as adaptive thermogenesis. In …

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Native Americans Removed Acorn Oil and Replaced It With Bear Fat

14 Comments / The Croissant Diet, The SCD1 Theory Of Obesity / By / February 4, 2021

Introduction In a previous article, I argued that a recent drop in the body temperatures of the Tsimane people of Bolivia was caused by the introduction of vegetable oil to a mostly starch diet. Native Americans used acorns as a staple starch, but they removed the oil form them before eating. However, they often added …

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Speed Your Metabolism With Oxidative Stress! Slow It With Antioxidants!

17 Comments / Intro To Oxidation, The Croissant Diet, The ROS Theory of Obesity, The SCD1 Theory Of Obesity / By / February 2, 2021

It’s rare to find a scientific paper whose RESULTS are hilarious. Sometimes the authors conclusions are hilarious. If you’ve lived through the last 30 years of articles about the best sources of antioxidants and how to avoid oxidative stress, though, the actual findings of this study​1​ will certainly seem ironic, if not hilarious. I’ve written …

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This is Your Body Temperature on Vegetable Oil

14 Comments / The Croissant Diet, The SCD1 Theory Of Obesity / By / January 30, 2021

Introduction This article suggests that the reason the Tsimane people of Bolivia experienced a significant, well-documented drop in their body temperature and metabolic rate over the past 15 years is that their fat became less saturated due to newly available “store bought foods”, most of which are loaded with polyunsaturated fat (PUFA).  This drop in …

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New List of Additional SCD1 Regulators posted at r/SaturatedFat

1 Comment / The SCD1 Theory Of Obesity / By / December 15, 2020

There is a great discussion thread for Croissant Diet/ROS Theory of Obesity/SCD1 Theory of Obesity over on reddit. u/Magnum2684 posted a list of additional things that can affect SCD1 levels. It’s a bit confusing to me – when they say “positive” they mean “reduces SCD1 expression” and when they say “negative” they mean “increases SCD1 …

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Pu’erh Tea is a potent Suppressor of SCD1

27 Comments / The Croissant Diet, The SCD1 Theory Of Obesity / By / December 10, 2020

Katie sent me this paper.​1​ It actually adds an interesting twist to her story that I already published. She reached out to me last week with her Desaturase Index test results. The test is here. Her score was around a 1.6, which is relatively good and significantly better than where I started out at 2.1. …

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Dietary Monounsaturated Fat, The SCD1 Theory of Obesity, Part 3

42 Comments / The SCD1 Theory Of Obesity / By / December 3, 2020

Introduction This is the third part of my SCD1 Theory of Obesity series.  Here are part 1 and part 2.  There is a brief synopsis of the theory below if you don’t want to start from the beginning. Since I published the ROS theory of obesity, one of the most common questions I’ve gotten is, …

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The SCD1 Theory of Obesity Part 2 – The Post Obese Metabolism and What You Can Do About It

103 Comments / The SCD1 Theory Of Obesity / By / December 3, 2020

AKA The Ros Theory of Obesity Part2, Part 2 Introduction In part 1, I explained that SCD1 is up-regulated in things that are fat and that in fact up-regulating SCD1 in something is sufficient to make it store fat.  Insulin is trying to upregulate SCD1 while leptin down-regulates it.  The mechanism by which leptin down-regulates …

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The SCD1 Theory of Obesity, Part 1 – Insulin, Leptin, SCD1 and Thermogenesis

30 Comments / The SCD1 Theory Of Obesity / By / February 17, 2021

AKA The ROS Theory of Obesity Part 2, Part 1 Introduction In The ROS Theory Of Obesity, I argued that the key determinant of body fatness was the saturation level of fat as it enters the mitochondria.  In The Croissant Diet I addressed the dietary half of this equation, arguing that to lose weight you …

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Brad’s Inflammation Blood Test Numbers – Don’t Conflate Inflammation and ROS!

29 Comments / The Croissant Diet / By / October 24, 2020

So I do everything wrong, kind of on purpose. I eat white flour and dairy. I combine starch, protein and saturated fat. I drink black coffee and/or red wine all day long. MANY/MOST OF MY MEALS ARE DEEP FRIED. My sleep habits are haphazard at best. This is the time of year when they are …

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Kirsten’s TCD Post

5 Comments / Testimonials / By / October 21, 2020

Kirsten Mortenson, a novelist, posted a nice writeup of her experience with TCD after almost a year. Here’s a preview. Read the full post at kirstenmortensen.com. She also has some pretty good looking novels for sale!