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|    Is Alzheimer's Type 3 Diabetes? (1/2)    |
|    12 Apr 15 19:25:29    |
      From: houndpup23x@gmail.com              Is Alzheimer's Type 3 Diabetes?               By MARK BITTMAN        SEPTEMBER 25, 2012                      Just in case you need another reason to cut back on junk food, it now turns       out that Alzheimer's could well be a form of diet-induced diabetes. That's the       bad news. The good news is that laying off soda, doughnuts, processed meats       and fries could allow        you to keep your mind intact until your body fails you.               We used to think there were two types of diabetes: the type you're born with       (Type 1) and the type you "get." That's called Type 2, and was called "adult       onset" until it started ravaging kids. Type 2 is brought about by a       combination of factors,        including overeating, American-style.               The idea that Alzheimer's might be Type 3 diabetes has been around since 2005,       but the connection between poor diet and Alzheimer's is becoming more       convincing, as summarized in a cover story in New Scientist entitled "Food for       Thought: What You Eat May        Be Killing Your Brain." (The graphic -- a chocolate brain with a huge piece       missing -- is creepy. But for the record: chocolate is not the enemy.)               The studies [1] are increasingly persuasive, and unsurprising when you       understand the role of insulin in the body. So, a brief lesson.               We all need insulin: in non-diabetics, it's released to help cells take in the       blood sugar (glucose) they need for energy. But the cells can hold only so       much; excess sugar is first stored as glycogen, and -- when there's enough of       that -- as fat. (Blood        sugar doesn't come only from sugar, but from carbohydrates of all kinds;       easily digested carbohydrates flood the bloodstream with sugar.) Insulin not       only keeps the blood vessels that supply the brain healthy, it also encourages       the brain's neurons to        absorb glucose, and allows those neurons to change and become stronger. Low       insulin levels in the brain mean reduced brain function.               Type 1 diabetes, in which the immune system destroys insulin-producing cells       in the pancreas, accounts for about 10 percent of all cases. Type 2 diabetes       is chronic or environmental, and it's especially prevalent in populations that       overconsume        hyperprocessed foods, like ours. It's tragically, increasingly common -- about       a third of Americans have diabetes or pre-diabetes -- and treatable but       incurable. It causes your cells to fail to retrieve glucose from the blood,       either because your        pancreas isn't producing enough insulin or the body's cells ignore that       insulin. (That's "insulin resistance"; stand by.)               Put as simply as possible (in case your eyes glaze over as quickly as mine       when it comes to high school biology), insulin "calls" your cells, asking them       to take glucose from the bloodstream: "Yoo-hoo. Pick this stuff up!"               When the insulin calls altogether too often -- as it does when you drink       sugar-sweetened beverages and repeatedly eat junk food -- the cells are       overwhelmed, and say, "Leave me alone." They become resistant. This makes the       insulin even more insistent and,        to make matters worse, all those elevated insulin levels are bad for your       blood vessels.               Diabetes causes complications too numerous to mention, but they include heart       disease, which remains our No. 1 killer. And when the cells in your brain       become insulin-resistant, you start to lose memory and become disoriented. You       even might lose aspects        of your personality.               In short, it appears, you develop Alzheimer's.               A neuropathologist named Alois Alzheimer noticed, over a century ago, that an       odd form of protein was taking the place of normal brain cells. How those beta       amyloid plaques (as they're called) get there has been a mystery. What's       becoming clear, however,        is that a lack of insulin -- or insulin resistance -- not only impairs       cognition but seems to be implicated in the formation of those plaques.              Suzanne de la Monte, a neuropathologist at Brown University, has been working       on these phenomena in humans and rats. When she blocked the path of insulin to       rats' brains, their neurons deteriorated, they became physically disoriented       and their brains        showed all the signs of Alzheimer's. The fact that Alzheimer's can be       associated with low levels of insulin in the brain is the reason why       increasing numbers of researchers have taken to calling it Type 3 diabetes, or       diabetes of the brain.[2]               Let's connect the dots: We know that the American diet is a fast track not       only to obesity but to Type 2 diabetes and other preventable, non-communicable       diseases, which now account for more deaths worldwide than all other causes       combined.               We also already know that people with diabetes are at least twice as likely to       get Alzheimer's, and that obesity alone increases the risk of impaired brain       function.               What's new is the thought that while diabetes doesn't "cause" Alzheimer's,       they have the same root: an over consumption of those "foods" that mess with       insulin's many roles. (Genetics have an effect on susceptibility, as they       appear to with all        environmental diseases.) "Sugar is clearly implicated," says Dr. de la Monte,       "but there could be other factors as well, including nitrates in food."               If the rate of Alzheimer's rises in lockstep with Type 2 diabetes, which has       nearly tripled in the United States in the last 40 years, we will shortly see       a devastatingly high percentage of our population with not only failing bodies       but brains. Even for        the lucky ones this is terrible news, because 5.4 million Americans (nearly 2       percent, for those keeping score at home) have the disease, the care for which       -- along with other dementias -- will cost around $200 billion this year.               Gee. That's more than the $150 billion we've been saying we spend annually on       obesity-related illnesses. So the financial cost of the obesity pandemic just       more than doubled. More than 115 million new cases of Alzheimer's are       projected around the world        in the next 40 years, and the cost is expected to rise to more than a trillion       of today's dollars. (Why bother to count? $350 billion is bad enough.)               The link between diet and dementia negates our notion of Alzheimer's as a       condition that befalls us by chance. Adopting a sane diet, a diet contrary to       the standard American diet (which I like to refer to as SAD), would appear to       give you a far better        shot at avoiding diabetes in all of its forms, along with its dreaded       complications. There are, as usual, arguments to be made for enlisting       government help in that struggle, but for now, put down that soda!                      [continued in next message]              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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