Guest guest Posted May 26, 2004 Report Share Posted May 26, 2004 > > But if you're overweight, as two out of three Americans now are, body > fat--especially belly fat--interferes. Your immune system treats excess > body fat as an interloper, surrounding it with a phalanx of > disease-fighting cells that send chemical messengers into your > bloodstream. Those messengers block insulin's ability to issue the > " dinner's ready " message to your muscle and liver cells. The result: Your > cells can't absorb blood sugar. Sugar levels in your bloodstream rise a > little. Your pancreas takes notice and churns out more insulin--the > biochemical equivalent of force-feeding sugar into resistant cells. > > " It works, " Einhorn says. " High insulin enables cells to take up the > sugar from the bloodstream. It works so well that your sugar levels can > stay normal, or only slightly elevated, for decades. " > > After many years, insulin-producing islet cells in your pancreas may burn > out. The result: Insulin falls, blood sugar rises--and you've got a > classic case of type 2 diabetes. Doctors know that diabetes is linked to > a huge variety of health complications, including heart disease, stroke, > and high blood pressure; screening for these conditions and treating them > aggressively after a diabetes diagnosis is now standard. What they're > just beginning to see: The force behind these complications isn't high > blood sugar. It's decades of high insulin levels--something that, so far, > can't be measured with a simple lab test. > > Even more frightening: Just one in four people with IRS will develop type > 2 diabetes. The rest may never get a warning about the killer in their > blood. > > Sit Down, Stress Out > Body fat's not the only problem. Inactivity makes things worse. " Muscle > contractions from physical activity can make cells absorb blood sugar > regardless of insulin levels or insulin resistance, " says Caprio, > MD, associate professor of endocrinology and pediatrics at Yale > University School of Medicine. " If you don't get exercise, you're relying > even more on insulin and insulin receptors to get sugar into cells. " > Research from Duke University and Harvard suggests that lack of sleep and > high anxiety exacerbate IRS, perhaps by upping levels of stress hormones. > > You and your doctor can spot IRS only by adding up risk factors such as > overweight, over age 40, a big belly, low HDL cholesterol, high > triglycerides, and elevated blood pressure. " The more risk factors you > have, the more certain it is that you have IRS, " Einhorn says. > > Why Haven't I Heard of It? > > There's a dangerous silence around Insulin Resistance Syndrome (IRS): You > can't see or feel it, and most doctors aren't mentioning it yet. Here's > why. > > No test > There's no simple blood test for IRS. (Expect one in 5 to 7 years.) > > No drug > Pharmaceutical researchers are looking hard at several meds with " magic > bullet " potential. The hope: One drug will someday head off many > IRS-related diseases at once. But for now, there is no FDA-approved IRS > med. > > Quote Link to comment Share on other sites More sharing options...
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