Ms. Teicholz’s book, "The Big Fat Surprise: Why Butter, Meat and Cheese Belong in a Healthy Diet," will be soon published. Her WSJ article The Questionable Link Between Saturated Fat and Heart Disease offers some convincing history of why we came to accept as conventional wisdom that a saturated fat diet causes heart disease. It seems that Dr. Ancel Benjamin Keys, a scientist at the University of Minnesota and the leading advocate of the low fat diet used some very faulty methods to put forth his case in the early 1950s. Those faulty methods were not scrutinized until 2002 – too late to put that horse back in the barn - and the data was inaccurate.
The ball started rolling, Dr. Keys made the cover of Time when people
used to read it and he landed position in the fledgling American Heart
Association. They adopted his position and eventually so did the US
government. It was based on flawed data!
What were the unintended consequences? From the article above: