UI scientist writes book of simple truths about food
http://www.news-gazette.com/news/local/2008/07/06/ [2008-7-7]
Tag : protein meals
Contrary to common belief, he writes, six decades worth of researchhaven't proven that cholesterol actually causes heart disease; andcutting too much of it from our diets can actually do more harmthan good.
"By focusing on lowering cholesterol levels, we may possibly becreating health problems in the future and sidetracking efforts tofind the causes and cures (or at least a way to delay the onset) ofheart disease," he writes.
Kummerow acknowledges his findings contradict what most peoplebelieve these days. After all, even the American Heart Associationlists high blood cholesterol as a major risk factor for heartdisease, and doctors are always advising patients at risk for heartdisease to cut their cholesterol.
"It is one of the most important factors," says Dr. BatlagundoLakshminarayanan, a cardiologist with Provena Medical Group.
Lakshminarayanan says he tries to educate his patients that not allcholesterol is created equal. There's the good HDL and the bad LDL,and then there are the ugly triglycerides, another kind of fatfound in the blood. And it's the latter two you want to keep low,he adds.
"It is a very big deal," he adds. "If the LDL is lower than 70,your risk dramatically drops with heart attacks and strokes."
Kummerow says his research has shown it's not so much aboutlowering cholesterol but rather how to eat the right combination offoods to minimize the cholesterol that isn't used properly by thebody.
But it's going to take some time to convince the public of that, hesays. Cholesterol is well-entrenched as a heart health enemy– so much so that people spend more money each year oncholesterol-lowering drugs (statins) than the National Institutesof Health spends on research of all diseases, he adds.
"All studies on statins agree that statins do lower cholesterollevels. However, lower cholesterol levels have not eliminateddeaths from heart disease," Kummerow writes.
But eliminating manufactured trans fats could, he contends: They'reso bad for us, he says, they should be banned.
Trans fats – produced by adding hydrogen to vegetable oil toturn a liquid fat into a solid one – first appeared inAmerica's diet around 1900, and are probably responsible for theincrease in cardiac deaths that occurred from 1920 to 1950,Kummerow said.
As for the new requirement on food manufacturers to list the transfat content in their products, Kummerow doesn't think much of it.
Here's why: The labeling law treats manufactured trans fats(present in many margarines, baked goods and many fried foods) thesame as it does natural trans fats that come from meat and dairyproducts, when the two actually work differently in the body, hesays.
Natural trans fats don't interfere with the making of cellmembranes, so they're safe to eat, Kummerow writes. Manufacturedtrans fats, on the other hand, cause unhealthy changes in the waycell membranes are made in the body, including those of arteriesand veins.
Another problem with the labeling law: Food makers aren't requiredto list trans fats in products containing less than a half-gram perserving. But these small amounts add up in our bodies, Kummerowsaid.
"What's a serving?" he asks. Read the label and you may find outit's two little cookies, and who eats just two?
His advice beyond avoiding trans fats: Eat a balanced diet. Cutback on calories if you need to, and avoid eating between meals soyour body can use its fat in its fasting period.
But your diet should include some fat. Butter and vegetable oil,for example, are good sources of essential fatty acids the bodyneeds to keep blood flowing, he said.
Two other food groups Kummerow says people shouldn't cut from theirdiets to cut cholesterol:
Protein, a basic nutrient essential to carry fat andcholesterol through the blood and prevent heart disease. Cuttingthe best protein sources (meat, dairy and eggs) from your diet cando more harm than good, he says.
–Carbohydrates are an important energy source for the brainand the heart, but don't eat too many: Excess carbs are turned intofat.
You want to lose weight? Eat right and weigh yourself daily,Kummerow advises.
He does, and when he gains, he cuts back for a few days. When heloses, he treats himself to ice cream or a slice of cherry pie.
Contrary to common belief, he writes, six decades worth of researchhaven't proven that cholesterol actually causes heart disease; andcutting too much of it from our diets can actually do more harmthan good.
"By focusing on lowering cholesterol levels, we may possibly becreating health problems in the future and sidetracking efforts tofind the causes and cures (or at least a way to delay the onset) ofheart disease," he writes.
Kummerow acknowledges his findings contradict what most peoplebelieve these days. After all, even the American Heart Associationlists high blood cholesterol as a major risk factor for heartdisease, and doctors are always advising patients at risk for heartdisease to cut their cholesterol.
"It is one of the most important factors," says Dr. BatlagundoLakshminarayanan, a cardiologist with Provena Medical Group.
Lakshminarayanan says he tries to educate his patients that not allcholesterol is created equal. There's the good HDL and the bad LDL,and then there are the ugly triglycerides, another kind of fatfound in the blood. And it's the latter two you want to keep low,he adds.
"It is a very big deal," he adds. "If the LDL is lower than 70,your risk dramatically drops with heart attacks and strokes."
Kummerow says his research has shown it's not so much aboutlowering cholesterol but rather how to eat the right combination offoods to minimize the cholesterol that isn't used properly by thebody.
But it's going to take some time to convince the public of that, hesays. Cholesterol is well-entrenched as a heart health enemy– so much so that people spend more money each year oncholesterol-lowering drugs (statins) than the National Institutesof Health spends on research of all diseases, he adds.
"All studies on statins agree that statins do lower cholesterollevels. However, lower cholesterol levels have not eliminateddeaths from heart disease," Kummerow writes.
But eliminating manufactured trans fats could, he contends: They'reso bad for us, he says, they should be banned.
Trans fats – produced by adding hydrogen to vegetable oil toturn a liquid fat into a solid one – first appeared inAmerica's diet around 1900, and are probably responsible for theincrease in cardiac deaths that occurred from 1920 to 1950,Kummerow said.
As for the new requirement on food manufacturers to list the transfat content in their products, Kummerow doesn't think much of it.
Here's why: The labeling law treats manufactured trans fats(present in many margarines, baked goods and many fried foods) thesame as it does natural trans fats that come from meat and dairyproducts, when the two actually work differently in the body, hesays.
Natural trans fats don't interfere with the making of cellmembranes, so they're safe to eat, Kummerow writes. Manufacturedtrans fats, on the other hand, cause unhealthy changes in the waycell membranes are made in the body, including those of arteriesand veins.
Another problem with the labeling law: Food makers aren't requiredto list trans fats in products containing less than a half-gram perserving. But these small amounts add up in our bodies, Kummerowsaid.
"What's a serving?" he asks. Read the label and you may find outit's two little cookies, and who eats just two?
His advice beyond avoiding trans fats: Eat a balanced diet. Cutback on calories if you need to, and avoid eating between meals soyour body can use its fat in its fasting period.
But your diet should include some fat. Butter and vegetable oil,for example, are good sources of essential fatty acids the bodyneeds to keep blood flowing, he said.
Two other food groups Kummerow says people shouldn't cut from theirdiets to cut cholesterol:
Protein, a basic nutrient essential to carry fat andcholesterol through the blood and prevent heart disease. Cuttingthe best protein sources (meat, dairy and eggs) from your diet cando more harm than good, he says.
–Carbohydrates are an important energy source for the brainand the heart, but don't eat too many: Excess carbs are turned intofat.
You want to lose weight? Eat right and weigh yourself daily,Kummerow advises.
He does, and when he gains, he cuts back for a few days. When heloses, he treats himself to ice cream or a slice of cherry pie.
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