Five years ago, I had an interesting conversation with a veterinarian friend about dog food. We were talking about diabetes in one of the dogs she was treating, and I remarked "that's what happens when you feed a carnivore carbohydrate". She gave me a funny look. At the time, I was seeing the world through the low-carb lens, and I remember thinking how bizarre it was that she didn't yield to my impeccable logic. As they say, live and learn.
The journal Nature published a fascinating paper on the evolution of the domestic dog today (1). Researchers compared the genome of wolves and domestic dogs to see what genetic changes accompanied domestication.
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Rabu, 23 Januari 2013
Minggu, 13 Januari 2013
Pop Health is Named One of the Top 25 Public Health Blogs of 2012!
"A unique blog focusing on the intersection of pop culture and public health. Written by an experienced public health educator with an MPH, a special interest in health communication and the affect of media coverage on public health issues, and great wit, there really isn’t anything else like it out there".
Check out the full list of blogs on the MPHonline website.
Jumat, 11 Januari 2013
Selasa, 08 Januari 2013
Appearance on "Ask the Low-Carb Experts" Podcast Postponed
I was scheduled to appear on Jimmy Moore's show "Ask the Low-Carb Experts" this Thursday. I don't consider myself a low-carb expert, but I do have expertise in obesity and metabolism, and Jimmy had invited me to discuss these topics on his show.
Due to a confluence of events, I've decided that this is not the best time to do the show. I want to be clear that I don't intend this as a rebuke of Jimmy Moore or his show-- most of my reasons for postponing have nothing to do with Jimmy. Thanks for your understanding.
Due to a confluence of events, I've decided that this is not the best time to do the show. I want to be clear that I don't intend this as a rebuke of Jimmy Moore or his show-- most of my reasons for postponing have nothing to do with Jimmy. Thanks for your understanding.
Sabtu, 05 Januari 2013
Overfeeding and Elevated Insulin
It's commonly accepted in the obesity research community that fat gain causes insulin resistance and an increase in circulating insulin, and that this is a major reason why obese people usually have insulin resistance and high circulating insulin. Part of the rationale is that substantial fat loss by almost any means improves insulin sensitivity and causes circulating insulin to decline, and substantial fat gain from deliberate overfeeding causes insulin sensitivity to decline and circulating insulin to increase. I recently cited three references to support this contention on another blog, and was challenged, so I decided to revisit these references to make sure I had understood them correctly (1, 2, 3). Since I took the time to do this, I figured I may as well write it up for my readers, since these studies are quite informative.
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Jumat, 04 Januari 2013
Kamis, 03 Januari 2013
Extreme Flu Activity in the US
A friend of mine came down with a nasty flu recently. I checked Google Flu Trends, and found that flu activity is currently at "intense" levels throughout the US. This is the highest flu activity Google Flu Trends has recorded in the last six years (image from Google Flu Trends 1/3/12).
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