Government dietary advice often proves disastrous.
I hope this news continues to come out into the main stream. The amount of sugar, high fructose corn syrup (HFCS) and refined/processed carbohydrates is doing more harm than good. There are numerous studies that show this but there are being under reported. It's unfortunately that many people they are eating healthy but actually may be increasing their risk of heart disease, diabetes and obesity.
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Every five years, the federal Department of Agriculture and Department of Health and Human Services revise their Dietary Guidelines for Americans, a publication that sets the direction for federal nutrition-education programs. In an age when aggressive government agencies in places like New York City seek a greater hand in shaping Americans’ diets, the next set of guidelines, published later this year, could prove more controversial than usual because increasing scientific evidence suggests that some current federal recommendations have simply been wrong. Will a public-health establishment that has been slow to admit its mistakes over the years acknowledge the new research and shift direction? Or will it stubbornly stick to its obsolete guidelines?
The crux of the controversy is the quantity of fat and carbohydrates that we consume and how it influences our cardiac health. As a recent review of the latest research in Scientific American pointed out, ever since the first set of federal guidelines appeared in 1980, Americans heard that they had to reduce their intake of saturated fat by cutting back on meat and dairy products and replacing them with carbohydrates. Americans dutifully complied. Since then, obesity has increased sharply, and the progress that the country has made against heart disease has largely come from medical breakthroughs like statin drugs, which lower cholesterol, and more effective medications to control blood pressure.
Researchers have started asking hard questions about fat consumption and heart disease, and the answers are startling. In an analysis of the daily food intake of some 350,000 people published in the March issue of The American Journal of Clinical Nutrition, researchers at the Children’s Hospital Oakland Research Institute found no link between the amount of saturated fat that a person consumed and the risk of heart disease. One reason, the researchers speculate, is that saturated fat raises levels of so-called good, or HDL, cholesterol, which may offset an accompanying rise in general cholesterol. A few weeks later, researchers at Harvard released their own analysis of data from 20 studies around the world, concluding that those who eat four ounces of fresh (not processed) red meat every day face no increased risk of heart disease.
According to Scientific American, growing research into carbohydrate-based diets has demonstrated that the medical establishment may have harmed Americans by steering them toward carbs. Research by Meir Stampfer, a professor of nutrition and epidemiology at Harvard, concludes that diets rich in carbohydrates that are quickly digestible—that is, with a high glycemic index, like potatoes, white rice, and white bread—give people an insulin boost that increases the risk of diabetes and makes them far more likely to contract cardiovascular disease than those who eat moderate amounts of meat and fewer carbs. Though federal guidelines now emphasize eating more fiber-rich carbohydrates, which take longer to digest, the incessant message over the last 30 years to substitute carbs for meat appears to have done significant damage. And it doesn’t appear that the government will change its approach this time around. The preliminary recommendations of a panel advising the FDA on the new guidelines urge people to shift to “plant-based” diets and to consume “only moderate amounts of lean meats, poultry and eggs.”
As increasingly sophisticated medicine focuses on tailoring therapies to individual needs, sweeping public pronouncements on health have become outdated at best and dangerous at worst. The best advice that government can give citizens is to develop their own diet and exercise regimes, adapted to their own physical circumstances after consultation with their doctors.
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