Slate: The Weight of the Evidence

Brandy

Freddled gruntbuggly
Joined
Jul 7, 2014
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Location
Seattle, WA USA
No real new science, but lots of sacred ponies slaughtered. Very anti-bariatric surgery. Some excerpts below:


http://www.slate.com/articles/healt..._weight_makes_you_healthier.html?wpsrc=fol_fb

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Planning to Go on a Diet? One Word of Advice: Don’t

You’ll likely lose weight in the short term, but your chance of keeping if off for five years or more is about the same as your chance of surviving metastatic lung cancer: 5 percent. And when you do gain back the weight, everyone will blame you. Including you.

This isn’t breaking news; doctors know the holy trinity of obesity treatments—diet, exercise, and medication—don’t work. They know yo-yo dieting is linked to heart disease, insulin resistance, higher blood pressure, inflammation, and, ironically, long-term weight gain. Still, they push the same ineffective treatments, insisting they’ll make you not just thinner but healthier.

....

One of the principles driving the $61 billion weight-loss industries is the notion that fat is inherently unhealthy and that it’s better, health-wise, to be thin, no matter what you have to do to get there. But a growing body of research is beginning to question this paradigm. Does obesity cause ill health, result from it, both, or neither? Does weight loss lead to a longer, healthier life for most people?

Studies from the Centers for Disease Control and Prevention repeatedly find the lowest mortality rates among people whose body mass index puts them in the “overweight” and “mildly obese” categories. And recent research suggests that losing weight doesn’t actually improve health biomarkers such as blood pressure, fasting glucose, or triglyceride levels for most people.

...

The word overweight, for example, suggests you’re over the “right” weight. The word obese, from the Latin obesus, or “having eaten until fat,” conveys both a clinical and a moral judgment.

In 1949, a small group of doctors created the National Obesity Society, the first of many professional associations meant to take obesity treatment from the margins to the mainstream. They believed that “any level of thinness was healthier than being fat, and the thinner a person was, the healthier she or he was,” writes Nita Mary McKinley, a psychologist at the University of Washington-Tacoma. This attitude inspired a number of new and terrible treatments for obesity, including jaw wiring and stereotactic brain surgery that burned lesions into the hypothalamus.

Bariatric surgery is the latest of these. In 2000, about 37,000 bariatric surgeries were performed in the United States; by 2013, the number had risen to 220,000. The best estimates suggest that about half of those who have surgery regain some or all of the weight they lose. While such surgeries are safer now than they were 10 years ago, they still lead to complications for many, including long-term malnutrition, intestinal blockages, disordered eating, and death. “Bariatric surgery is barbaric, but it’s the best we have,” says David B. Allison, a biostatistician at the University of Alabama-Birmingham.

...

Not only that, since 2002, study after study has turned up what researchers call the “obesity paradox”: Obese patients with heart disease, heart failure, diabetes, kidney disease, pneumonia, and many other chronic diseases fare better and live longer than those of normal weight.

Likewise, we don’t fully understand the relationship between weight and overall mortality. Many of us assume it’s a linear relationship, meaning the higher your BMI, the higher your risk of early death. But Katherine Flegal, an epidemiologist with the CDC, has consistently found a J-shaped curve, with the highest death rates among those at either end of the BMI spectrum and the lowest rates in the “overweight” and “mildly obese” categories.

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“When a person has recurrent cancer, the physician is so empathetic,” says Majdan. “But when a person regains weight, there’s disgust. And that is morally and professionally abhorrent.”

The idea that obesity is a choice, that people who are obese lack self-discipline or are gluttonous or lazy, is deeply ingrained in our public psyche. And there are other costs to this kind of judgmentalism. Research done by Lenny Vartanian, a psychologist at the University of New South Wales, suggests that people who believe they’re worthless because they’re not thin, who have tried and failed to maintain weight loss, are less likely to exercise than fat people who haven’t strongly internalized weight stigma.

It’s hard to think of any other disease—if you want to call it that—where treatment rarely works and most people are blamed for not “recovering.”
 
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