http://www.guardian.co.uk/weekend/story/0,3605,1200549,00.htmlSize really doesn't matter. You can be just as healthy if you're fat as you can if you're slender. And don't let the obesity 'experts' persuade you otherwise, argues Paul Campos
Saturday April 24, 2004
The Guardian
In January 2003, as America prepared to go to war with Iraq, the US surgeon general, Richard Carmona, warned the nation that it faced a far more dangerous threat than Saddam Hussein's supposed weapons of mass destruction. Rather than focusing on the danger posed by nuclear, biological and chemical weapons, Carmona told his audience, "Let's look at a threat that is very real, and already here: obesity."
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This, then, is the case against fat: America, we are told, is on the verge of eating itself to death. The core belief of those prosecuting this case is that the BMI tables testify to a strong, predictable relationship between increasing weight and increasing mortality. That, after all, is what most people assume when they read that medical and public health authorities have determined a BMI of 25 or above is hazardous to a person's health. This belief, however, is not supported by the available evidence.
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In almost all large-scale epidemiological studies, little or no correlation between weight and health can be found for a large majority of the population - and indeed what correlation does exist suggests that it is more dangerous to be just a few pounds "underweight" than dozens of pounds "overweight". So, let us look at the most cited studies for the proposition that "overweight" is a deadly epidemic in America today. Anyone who bothers to examine the evidence in the case against fat with a critical eye will be struck by the radical disconnect between the data in these studies and the conclusions their authors reach.
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No one has ever successfully conducted a study into the effects of long-term weight loss, and for a very simple reason: no one knows how to turn fat people into thin people.
This statement is in one sense shocking, despite the fact that there are few better established empirical propositions in the entire field of medicine. How can this be? After all, as those who prosecute the case against fat never cease to remind us, everyone knows how to lose weight: eat less and exercise more. In theory, this regimen should make people thin. In practice, it does not.
More Americans than ever are dieting, percentages tripled over the course of the last generation. And the result? Americans weigh on average 15lb more than they did 20 years ago. Tens of millions of Americans are trying - more or less constantly - to lose 20 or 30lb
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