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What really causes heart disease
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<blockquote data-quote="ButtterflyLady" data-source="post: 266366" data-attributes="member: 43498"><p>IMHO it's very on-topic. Sleep apnoea means the person spends little time if any in restorative deep sleep, which in turn causes certain hormone levels to drop, which changes the metabolic balance, so that the next day the person both craves high calorie food and the body metabolises it faster, turning it into stored fat.</p><p></p><p>It's a viscious cycle because the extra torso fat weighs down on the lungs, suppressing breathing to a degree when we sleep on our back. This is why many of us sleep on our front or side.</p><p></p><p>Sleep apnoea occurs when the throat muscles relax during sleep (normal process) but it relaxes too much and the airway collapses and obstructs. after several seconds, the breathing centre in the brain detects the drop in oxygen, and wakes you up so that you gasp for air. You then fall back asleep and the cycle starts again. With severe SA, this happens every 60-90 seconds for the whole night. </p><p></p><p>CPAP provide continuous positive airway pressure via a sealed mask over the nose and/or mouth. This holds the airway open so the person can continue to breathe when asleep. Since they're no longer being woken up before they can reach deep sleep, their sleep returns to normal, and the hormone levels follow. The next day they don't crave bad food as much, and their metabolism is more normal.</p><p></p><p>If a patient has SA and CPAP works for them (there are many types of therapy and it needs tweaking like diabetes management does) then the excess weight they have from SA usually starts to fall off. Intentionally dieting helps too.</p><p></p><p>Where SA has led to obesity then insulin resistance then T2 diabetes, CPAP can reduce the obesity and thereby make diabetes control easier. Diabetes in itself is a preventable complication of sleep apnoea in people who are affected in this way.</p><p></p><p>I haven't gone into what SA does to the heart, lungs and brain, but another common complication is hypertension. This is why if someone has T2 diabetes, hypertension, and obesity (throw in depression too), they are very likely to have SA.</p></blockquote><p></p>
[QUOTE="ButtterflyLady, post: 266366, member: 43498"] IMHO it's very on-topic. Sleep apnoea means the person spends little time if any in restorative deep sleep, which in turn causes certain hormone levels to drop, which changes the metabolic balance, so that the next day the person both craves high calorie food and the body metabolises it faster, turning it into stored fat. It's a viscious cycle because the extra torso fat weighs down on the lungs, suppressing breathing to a degree when we sleep on our back. This is why many of us sleep on our front or side. Sleep apnoea occurs when the throat muscles relax during sleep (normal process) but it relaxes too much and the airway collapses and obstructs. after several seconds, the breathing centre in the brain detects the drop in oxygen, and wakes you up so that you gasp for air. You then fall back asleep and the cycle starts again. With severe SA, this happens every 60-90 seconds for the whole night. CPAP provide continuous positive airway pressure via a sealed mask over the nose and/or mouth. This holds the airway open so the person can continue to breathe when asleep. Since they're no longer being woken up before they can reach deep sleep, their sleep returns to normal, and the hormone levels follow. The next day they don't crave bad food as much, and their metabolism is more normal. If a patient has SA and CPAP works for them (there are many types of therapy and it needs tweaking like diabetes management does) then the excess weight they have from SA usually starts to fall off. Intentionally dieting helps too. Where SA has led to obesity then insulin resistance then T2 diabetes, CPAP can reduce the obesity and thereby make diabetes control easier. Diabetes in itself is a preventable complication of sleep apnoea in people who are affected in this way. I haven't gone into what SA does to the heart, lungs and brain, but another common complication is hypertension. This is why if someone has T2 diabetes, hypertension, and obesity (throw in depression too), they are very likely to have SA. [/QUOTE]
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