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high glycemic foods damage arteries
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anyone interested in healthy and nutritious foods has probably heard that whole grains are far better for you than the processed variety like white bread and sugar-laden cereals. there are several reasons for this, including the fact whole foods tend to be richer in fiber and they also have low glycemic indexes. that means they keep blood sugar and insulin levels steady without wide fluctuations. but a new study published in the journal of the american college of cardiology concludes there's another important reason to avoid high glycemic foods like white bread and corn flakes. for the first time, scientists have documented how eating these foods can directly damage artery walls and cause cardiac problems. "it's very hard to predict heart disease," dr. michael shechter of tel aviv university's sackler school of medicine and the heart institute of sheba medical center, said in a statement to the media. "but doctors know that high glycemic foods rapidly increase blood sugar. those who binge on these foods have a greater chance of sudden death from heart attack. our research connects the dots, showing the link between diet and what's happening in real time in the arteries." for his study, dr shechter and colleagues worked with 56 healthy volunteers who were divided into four groups. one group ate cornflake cereal mixed with milk, a second consumed a pure sugar mixture, the third group ate bran flakes and the last group took water (as a placebo control). over the course of four weeks, dr. shechter applied brachial reactive testing to the research subjects in each group. this test, a clinical and research technique pioneered by dr. shechter's laboratory, uses a blood pressure type cuff on the arm that is able to visualize what happens inside arteries before, during and after eating various foods. before any of the study participants ate, the function of their arteries was essentially the same. after eating, however, all except the placebo group had reduced arterial functioning -- especially the research subjects who ate cornflakes and sugar. in fact, the testing documented that during the consumption of these foods high in sugar, there was a temporary and sudden dysfunction in the endothelium, the thin layer of cells that line the inside of arteries and reduce turbulence as blood flows throughout the entire circulatory system. this is a critical finding because, when repeated over time, a sudden expansion of artery walls can cause a host of negative effects on health including damage to endothelial cells. that can reduce elasticity in arteries, resulting in heart disease or even sudden death. in fact, according to dr. shechter, endothelium dysfunction can be traced back to almost every disorder and disease in the body. "we knew high glycemic foods were bad for the heart. now we have a mechanism that shows how," dr. shechter explained in the press statement. "foods like cornflakes, white bread, french fries, and sweetened soda all put undue stress on our arteries. we've explained for the first time how high glycemic carbs can affect the progression of heart disease." dr. shechter agrees with natural health advocates who have long advised staying away from highly processed, high glycemic foods and eating a diet rich in low glycemic whole foods such as oatmeal, fruits, vegetables, legumes and nuts. in addition to helping protect your heart, this style of eating has other advantages. according to the harvard school of public health web site, these healthy foods are loaded with vitamins, minerals, fiber, and a host of important phytonutrients. on the other hand, white bread, white rice, pastries, sugared sodas, and other highly processed foods tear down instead of build health -- they contribute to weight gain, interfere with weight loss, and promote diabetes and heart disease. as reported earlier in natural news, processed foods have also been linked with an increased risk for cancer ( http://www.naturalnews.com/022025.html) and recent studies indicate many processed foodstuffs, from bread to candy bars, may be contaminated with toxic mercury, too ( http://www.naturalnews.com/025442_m...). for more information : http://www.aftau.org/site/news2?pag... http://www.hsph.harvard.edu/nutriti...
Source :NaturalNews.com
Date :
27
July
2009
Category :
Grains Cereals And Oil Seeds
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many diets promoted by companies and individuals rely on calorie restriction or the complete elimination of certain food groups in the quest to lose weight. additionally, the unhealthy reliance on appetite suppressants and artificial sweeteners is promoted. diets do not generally work in the long term and can even be dangerous. proteins, fats and carbohydrates should be correctly chosen for optimum health and ideal weight.
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women who eat a typical western diet high in junk food may increase their risk of suffering from mood disorders such as depression, according to a study conducted by researchers from the university of melbourne and published in the american journal of psychiatry.researchers gathered psychiatric evaluations of 925 women between the ages of 20 to 93 over the course of ten years, then compared them to data collected on the participants\' diets.
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consuming a diet with a high glycaemic index (gi) may increase the risk of fatty liver, a condition linked to liver failure, suggests a new study with mice. researcher from children's hospital boston indicate that if the findings of the study are confirmed in humans, consumption of low gi foods may offer an easy prevention for fatty liver, a condition on the increase as obesity levels rise.
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so you have decided it`s time to try for a baby. congratulations! your head is swimming with thoughts about the future, and whether you are mom or dad this is an exciting time. but let`s pause for a moment and consider: good nutrition is more vital than ever now that you are trying to conceive. a healthy diet should be a regular part of life, but if it`s not currently, now is the time to start. for both mom and dad it is ideal to start improving your diet at least 3-12 months before conception.
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fat substitutes have been in the news a lot in the last few weeks, and rarely has the news been good. just yesterday danisco issued a statement reiterating the safety of its salatrim fat replacer after a damning report in the danish press, while a week earlier procter & gamble concluded the sale of the plant where it makes its olestra substitute after the ingredient failed to live up to expectations.
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individual variations in the glycaemic index (gi) of white bread, stated as 70 in the literature, may range from 44 to 132, says new research that questions the utility of the index. in an attempt to better understand the glycaemic index, researchers from the jean mayer usda human nutrition research center on aging at tufts university (usda hnrca) used a simple test food, white bread, to show that a relatively high level of inter-individual (among different individuals), and intra-individual (within the same individual) variability occurs on consumption of white bread.
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Coca.Cola
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PEPSI
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Mcdonald
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Nestle
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Mars
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Baskin & Robins
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Nutrika
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Mumika
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Chika
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