I’ve linked below to a video of a mainstream cardiologist being interviewed as to her thoughts on the best diet for a healthy heart. Listening to her, it’s easy to see what’s happened to mainstream thinking.

For years mainstream thinking was that the low-fat diet was the be-all and end-all for preventing heart disease. Whenever anyone brought up the idea that low-carb diets may be as effective if not more so than low-fat diets, that idea was dashed with the old ‘Show me the studies’ song and dance that the mainstream knew how to perform so well. As Gary Taubes presented so beautifully in Good Calories, Bad Calories, those studies had already been done years before, but were unknown to the mainstreamers of today. But over the past few years numerous studies have accumulated showing that the low-carb diet at the very worst equals the performance of the low-fat diet and at the very best stomps the performance of the low-fat diet in reducing putative risks for heart disease. Now, what is the mainstream to do?

This video answers the question. The mainstream has retreated to the all-things-in-moderation mantra. Let’s eat less and exercise more and we’ll all be thin and happy. And let’s don’t forget to cut sodium from our diets as well. Even though sodium is the most abundant electrolyte in our bodies, we need to be careful. And let’s forget about all those studies showing that salt intake doesn’t do squat in terms of increasing high blood pressure. Let’s just pretend those don’t exist.

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I have a close friend who was an investigative reporter for the Wall Street Journal for 13 years, during which time he broke a number of large stories. He left the WSJ to start a company to help businesses deal with the media. He had seen from the inside how businesses had tried to influence him and his colleagues, and he knew the business men were going about it all wrong. For the last 15 years or so he’s helped them get it right.

A couple of times per year my friend puts on seminars for people wanting to learn about how the media work. He invited me to one a few years ago in Las Vegas, and I can tell you, it was an eye-opening experience. The program started with my friend asking the attendees to write a few sentences describing what they thought constituted ‘news.’ Before you read on, stop for a moment and come up with your own definition of news. Have you got it? At this meeting virtually everyone (including yours truly and his lovely wife) came up with something on the order of: ‘News is when something happens of sufficient importance to the readers or viewers of a particular media format in a defined local (could be local – could be national) that it requires reporting.’

My friend gathered the papers and started reading them to the group. One after the other was a variation on the theme above. After he had read a dozen or so, he looked at the crowd and said: “Let me define news for you. News is what the media wants you to know.”

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Today I’ve been inundated with comments, emails and even a phone call or two about the ’study’ that hit the news this morning allegedly showing that the Atkins diet causes blood vessel damage, and increase in ‘bad’ cholesterol and increased levels of inflammation. I figured I would take this opportunity to describe how this kind of information gets out there and discuss this ’study’ in particular.

To begin with, this isn’t really a scientific study published in a peer-reviewed journal. It was a brief presentation (about 15 minutes including questions) made at the annual scientific meeting of the American Heart Association in Orlando, Florida a couple of days ago. To better understand where presentations like this one fit in the hierarchy of the scientific world, let’s take a look at how these huge meetings are organized.

The annual Scientific Sessions of the American Heart Association is an enormous meeting with thousands and thousands of attendees. This year’s meeting, which is still going on, is being held at the giant convention center in Orlando, Florida. When the organizers of these kinds of meetings start working on putting them together – which they do years in advance – they begin to contact all the big guns for the major lectures. These lectures are presented during the prime times of the conference when nothing else is going on and they can be attended by all attendees. These lectures held in the huge auditorium are usually by well-known, established researchers who present the data from many years of their work on specific inquiries.

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A little over a year ago the Journal of the American College of Cardiology published a study that purportedly showed what a terrible health risk saturated fat is. I guess because of all the interest generated by the recent bogus red meat/colon cancer study, some news services decided to recycle this old study and pass it off as new.

Today’s headline in HealthDay is:

Saturated Fat: Even a Little Splurge May Be Too Much

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