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Sugar make you DUMB?

Posted by on May. 16, 2012 at 10:18 AM
  • 19 Replies
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Scientist are saying that we need to stay away from Sugar because it makes us dumb.  

Sugar can make you dumb, US scientists warn

WASHINGTON — Eating too much sugar can eat away at your brainpower, according to US scientists who published a study Tuesday showing how a steady diet of high-fructose corn syrup sapped lab rats' memories.

Researchers at the University of California Los Angeles (UCLA) fed two groups of rats a solution containing high-fructose corn syrup -- a common ingredient in processed foods -- as drinking water for six weeks.

One group of rats was supplemented with brain-boosting omega-3 fatty acids in the form of flaxseed oil and docosahexaenoic acid (DHA), while the other group was not.

Before the sugar drinks began, the rats were enrolled in a five-day training session in a complicated maze. After six weeks on the sweet solution, the rats were then placed back in the maze to see how they fared.

"The DHA-deprived animals were slower, and their brains showed a decline in synaptic activity," said Fernando Gomez-Pinilla, a professor of neurosurgery at the David Geffen School of Medicine at UCLA.

"Their brain cells had trouble signaling each other, disrupting the rats' ability to think clearly and recall the route they'd learned six weeks earlier."

A closer look at the rat brains revealed that those who were not fed DHA supplements had also developed signs of resistance to insulin, a hormone that controls blood sugar and regulates brain function.

"Because insulin can penetrate the blood-brain barrier, the hormone may signal neurons to trigger reactions that disrupt learning and cause memory loss," Gomez-Pinilla said.

In other words, eating too much fructose could interfere with insulin's ability to regulate how cells use and store sugar, which is necessary for processing thoughts and emotions.

"Insulin is important in the body for controlling blood sugar, but it may play a different role in the brain, where insulin appears to disturb memory and learning," Gomez-Pinilla said.

"Our study shows that a high-fructose diet harms the brain as well as the body. This is something new."

High-fructose corn syrup is commonly found in soda, condiments, applesauce, baby food and other processed snacks.

The average American consumes more than 40 pounds (18 kilograms) of high-fructose corn syrup per year, according to the US Department of Agriculture.

While the study did not say what the equivalent might be for a human to consume as much high-fructose corn syrup as the rats did, researchers said it provides some evidence that metabolic syndrome can affect the mind as well as the body.

"Our findings illustrate that what you eat affects how you think," said Gomez-Pinilla.

"Eating a high-fructose diet over the long term alters your brain's ability to learn and remember information. But adding omega-3 fatty acids to your meals can help minimize the damage."

The study appeared in the Journal of Physiology.

Copyright © 2012 AFP. All rights reserved.

Your Thoughts......

by on May. 16, 2012 at 10:18 AM
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Replies (1-10):
by on May. 16, 2012 at 10:24 AM
1 mom liked this

well then ... this is me........april fools

by Sweet Mary <3 on May. 16, 2012 at 10:26 AM

me too, can't find my way out of a paper bag

by Sweet Thang on May. 16, 2012 at 10:31 AM

Well that explains a lot...haha

by faithful sister on May. 16, 2012 at 11:00 AM

 I am not a rat...

by It's a jen.thing :) on May. 16, 2012 at 11:13 AM

and is anyone surprised by this????

by Sweet Mary <3 on May. 16, 2012 at 11:19 AM

Quoting sahlady:

and is anyone surprised by this????

High Fructos Corn Syrup has been bad from the get go....

by Sister on May. 16, 2012 at 12:50 PM

Seriously?????  Shouldn't we already know that too much of anything is not good for you?  My motto is:  Everything in moderation. 

by Momma of 40ish on May. 16, 2012 at 12:55 PM
I guess I am on that dumb list as well. But am I shocked that this is a new study? No!
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by 40ish hang out queen on May. 16, 2012 at 1:02 PM

 oh, Alex Trebek just asked Dr. Oz about this and he said MODERATION is the key...don't just stop, be smart...  I've always thought that!!

by on May. 16, 2012 at 1:14 PM

 all the corn in the US is genetically modified for starters, and where does high fructose corn syrup come from?  that said, our bodies, not even the animals, can digest corn to begin with.  it's used mainly as a filler to make products go further!  FDA need I say more?

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