A high-fat diet puts on weight, causes heart disease and loss of mental skills. New research shows eating fats have an effect even before you gain weight.
Rats were given a low-fat diet and trained to run a maze. After learning the maze, half switched to a high-fat diet. After four days, the rats eating the fatty food did worse on the maze test.
Half of the rats ran on a treadmill. After only a few days on the high-fat diet, the rats did worse on the treadmill.
Researchers are doing studies of high-fat diets in healthy young men. They are reviewing the data, but the short-term effect of a fatty diet on humans appears to be the same as found in the rat studies.
The study results appear in The Faseb Journal, which is the journal of the Federation of American Societies for Experimental Biology.
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