Food Palatability and Body Fatness: Clues from Alliesthesia

Part I: Is there a Ponderostat?

Some of the most important experiments for understanding the role of food palatability/reward in body fatness were performed by Dr. Michel Cabanac and collaborators in the 1970s (hat tip to Dr. Seth Roberts for the references).  In my recent food reward series (1), I referenced but did not discuss Dr. Cabanac's work because I felt it would have taken too long to describe.  However, I included two of his studies in my Ancestral Health Symposium talk, and I think they're worth discussing in more detail here.

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I Got Boinged, and Other News

The reaction to my post "The Carbohydrate Hypothesis of Obesity: a Critical Examination" has been overwhelmingly positive, particularly among the scientists I've heard from. 

On Saturday, the inimitable maker and writer Mark Frauenfelder posted a link to my post on the variety blog BoingBoing.  BoingBoing has been on my sidebar for three years, and it's the place I go when I need a break.  It's a fun assortment of science, news, technology and entertainment.  BoingBoing was originally a zine started by Frauenfelder and his wife in 1988, and it has been on the web since 1995.  Today, it has multiple contributing authors and it draws several hundred thousand hits per day.  I'm thrilled that Frauenfelder posted my article there.  Apparently he likes my blog.  Thanks!

I added a new section (IIB) to my original post.  It discusses what human genetics can teach us about the mechanisms of common obesity.  It is consistent with the rest of the evidence suggesting that body fatness is primarily regulated by the brain, not by fat tissue, and that leptin signaling plays a dominant role in this process. 

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Healthy Spirits: New Arrivals

1. Koshikari Echigo



2. Echigo Stout



3. Echigo Red Ale





cheers,



dave hauslein

beer manager

415-255-0610

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We just received our first shipment of Ale Industries Rye'd Piper! Great stuff. Pick some up while it's nice and fresh!



cheers,



dave hauslein

beer manager

415-255-0610

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The Carbohydrate Hypothesis of Obesity: a Critical Examination

Introduction

I'd like to begin by emphasizing that carbohydrate restriction has helped many people lose body fat and improve their metabolic health.  Although it doesn't work for everyone, there is no doubt that carbohydrate restriction causes fat loss in many, perhaps even most obese people.  For a subset of people, the results can be very impressive.  I consider that to be a fact at this point, but that's not what I'll be discussing here. 

What I want to discuss is a hypothesis.  It's the idea, championed by Gary Taubes, that carbohydrate (particularly refined carbohydrate) is the primary cause of common obesity due to its ability to elevate insulin, thereby causing increased fat storage in fat cells.  To demonstrate that I'm representing this hypothesis accurately, here is a quote from his book Good Calories, Bad Calories:

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Healthy Spirits: New Arrivals

1, De Molen Pek & Veren



2. De Molen SSS Pattinson London Porter



3. Hitachino Nest Ancient Nipponia



4. Cuvee Du Jonquilles Biere De Garde





cheers,



dave hauslein

beer manager

415-255-0610

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