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Alzheimer’s: Could Junk Food Be the Cause?

Alzheimer’s: Could Junk Food Be the Cause?

Not another story telling us to cut back on junk food!

Well, you might want to sit up and pay attention to this one, since it appears that there could be a direct link between eating a poor diet loaded with fat, sugars and salt, and developing Alzheimer’s.

Just a few years ago, it was discovered that people with type 2 diabetes are much more likely to develop Alzheimer’s disease than healthy people of the same age group.

Now a  large body of evidence suggests that Alzheimer’s is primarily a metabolic disease. Some scientists have gone so far as to rename it: they call it type 3 diabetes.

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 the September 1 cover story in New Scientist entitled “Food for Thought: What You Eat May Be Killing Your Brain.”  (It was accompanied by a weird graphic of a chocolate brain with a huge piece missing.)

George Monbiot, writing in The Guardian, describes how he has become obsessed with this idea since reading the New Scientist story, and has spent hours sitting in the library, trying to discover whether it holds water. Having read dozens of papers on the subject, he concludes that the evidence is compelling, even though there is a lot more research to be done.

From The Guardian:

About 35 million people suffer from Alzheimer’s disease worldwide; current projections, based on the rate at which the population ages, suggest that this will rise to 100 million by 2050. But if, as many scientists now believe, it is caused largely by the brain’s impaired response to insulin, the numbers could rise much further.

In the United States, the percentage of the population with type 2 diabetes, which is strongly linked to obesity, has almost trebled [sic] in 30 years. If Alzheimer’s, or “type 3 diabetes”, goes the same way, the potential for human suffering is incalculable.

This all takes on a personal note for me, as I watch my mother-in-law sink into dementia. This is a heartbreaking experience for her and for her family. She has a tiny frame, which seems to be shrinking away, and has never been overweight, but she does like to indulge in non-nutritive sweets such as cookies, coffee cake and packaged donuts. As her disease has progressed, it seems that these are the only kinds of food she truly enjoys eating.

The word “dementia”of course refers to a set of symptoms, not the disease itself. These symptoms might include language difficulty, loss of recent memory or poor judgment. For my mother-in-law, it means that she asks me the same question perhaps 15 times a day, never realizing that she is repeating herself, and never remembering the answer.

With a thorough screening including blood tests, a mental status evaluation, neuropsychological testing and sometimes a brain scan, doctors can accurately diagnose the cause of the dementia symptoms in 90 percent of the cases. Alzheimer’s disease accounts for 60-70 percent of cases of dementia.

The evidence for the poor diet and Alzheimer’s connection is strong, but not definitive. But if you need an incentive to purge yourself of unhealthy amounts of fat, sugars and salt, this should do it.

Why not shop around the perimeters of your local grocery store, picking up fresh fruit and veggies, whole dairy and fresh meat or fish, if you eat it? Erasing soda, donuts, processed meats and fries from your diet could allow you to keep your mind intact until your body fails you.

Now put down that soda!

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3:02PM PDT on Oct 28, 2012

My Grandfatther who suffered from Alzheimer never ate junk food in his life.

2:06PM PDT on Oct 23, 2012

Bonjour,

Thank you for your post.

About cause of Alzheimers, some drugs like Valium, Lexomil, Temesta... mainly benzodiazepins drugs are causing Alzheimers.

A risk between 20 of 50% more for people who are using such drugs.

Yes, junk food could creat some damage on health, but psychiatric drugs do more.

Then eat good products, and help others to do the same.

And be carefull of what drugs someone would like to give to you, your families, your friends...

7:56AM PDT on Oct 11, 2012

not meat is a cause?

8:32AM PDT on Oct 8, 2012

while i dont know the causes, junk food is not healthy. avoid it or at the very least take it only in moderation. its full of sodium and processed most of the time.

3:36AM PDT on Oct 8, 2012

you should avoid junk food because it is just that - junk food.

as for it causing Alzheimers... do not really think so.

I have relatives with Type II diabetes, and trust me, they don't eat junk food (they do, however eat quite a lot... white bread, rice, pastas... their idea of soups lacks greens. the biggest problem with them was not the quality of the food, but the amounts - some of them don't even like sugar or sweet foods...!)

11:04PM PDT on Oct 7, 2012

thanks

1:54AM PDT on Oct 6, 2012

I'm onto it thanks, Everyone should do brain gym. I do word puzzles often daily .read, go to the gym each week and I write daily as well. Keeping up with it but never knew Alzheimer's could be linked to Diabetes as type 3. Thanks

6:16PM PDT on Oct 4, 2012

I think everyone should take note of this.

6:05PM PDT on Oct 4, 2012

Science and Opinion should be kept separate. Please don't take away the biscuits from grandma! This article's jump to conclude that the "Type 3 Diabetes" is caused by junk food consumption should NOT be made lightly. This is an OPINION, unsubstantiated and not found in any of the scientific paper's published in the original alzheimer's journal by Dr. Suzzane Delamonte from Brown. Her research clearly says that Type 3 Diabetes, which name is an explanatory descriptor of Alzheimer's process, is NOT related to Type 1 and 2. However, the reason for calling it a "diabetes" has to do with INSULIN resistance and behavior of the tau proteins and degeneration, and NOT a FOOD issue-just as diabetes is not caused by food consumption in most cases. Quote: "The strikingly reduced CNS expression of genes encoding insulin, IGF-I, and IGF-II, as well as the insulin and IGF-I receptors, suggests that AD may represent a neuro-endocrine disorder that resembles, yet is distinct from diabetes mellitus. Therefore, we propose the term, “Type 3 Diabetes” to reflect this newly identified pathogenic mechanism of neurodegeneration. " Check out the journal abstract at: http://www.j-alz.com/issues/7/vol7-1.html (and keep grandma happy with her coffee and sugar)

3:45PM PDT on Oct 4, 2012

Thanks for the interesting article. The poll question, however, is rather poor: there's absolutely no point in asking people what they "believe" causes a disease. This is not a matter of opinion, it's a question for scientists and researchers.

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Lindsay Spangler Lindsay Spangler is a Web Editor and Producer for Care2 Causes. A recent UCLA graduate, she lives in... more
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