High fat diet causes laziness and more

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Aug 12 2009 - 9:55pm

Research published online in The FASEB Journal suggests that eating a high fat diet can quickly lead to laziness. In case that is not enough to inspire healthier eating, the study also shows that high fat foods can impair memory in just a few days. The new study showed that after just ten days of consuming a high fat diet, rats exercised poorly, and showed signs of short term memory loss.

The findings show that what we eat has a significant impact on memory and function. The study authors say the short-term effects of eating a typical Western diet have been poorly studied. In the long-run, the result of eating a high fat diet is obesity, diabetes, and heart failure. The new study shows that eating a high fat diet has a negative impact on health even when consumed short-term.

Andrew Murray, co-author of the study and currently at the University of Cambridge in the United Kingdom says, "We hope that the findings of our study will help people to think seriously about reducing the fat content of their daily food intake to the immediate benefit of their general health, well-being, and alertness." Most people can attest to feeling lazy after eating a calorie laden high fat meal. The study authors found out why we become lazy after eating high fat foods.

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The scientists studied two groups of rats. Those fed a high fat diet were unable to exercise after just four days of receiving fed a high-fat diet consisting of 55 percent of calories as fat. The researchers found that the rat’s ability to use oxygen was decreased, making their hearts enlarge from hard work. Enlargement of the heart leads to heart failure.

After nine days of eating a high fat diet the rats also had trouble finding their way around a maze. The study compared rats fed a diet consisting of 7.5 percent of calories as fat.

Gerald Weissmann, M.D., Editor-in-Chief of The FASEB Journal says, "It's nothing short of a high-fat hangover. A long weekend spent eating hotdogs, French fries, and pizza in Orlando might be a great treat for our taste buds, but they might send our muscles and brains out to lunch." The study shows that eating a high fat diet not only leads to laziness, but it might make us a little less smart.

Reference: FASEBJ

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Comments

Problems with this study: There are dangers in extrapolating from mice studies to human health. Mice are not intended (have not evolved) to eat a high-fat diet. In contrast, humans ARE designed to eat fat, and lots of it. I only get a hangover if I eat carbohydrates. Then I feel like I want to lie down and have a nap. Also, mice used for these studies typically have been genetically modified. How much do you have in common with mutant mice?! The "typical Western diet" is high in CARBOHYDRATES. If you don't believe me, just look at your friendly neighborhood Food Pyramid. It's true that eating hotdogs, fries and pizza is unhealthy, because of the CARB!!! If you ate the fat without the bread or potatoes, you'd actually lose weight. Seriously. That's how I lost 30 lbs in 3 months and kept it off for 4 years (regardless of how much I exercise) and dramatically improved my triglycerides and cholesterol and all other serum indicators of good health.