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If you’re eating too many fatty foods, your brain will change (one thing that may happen is you’ll start to FIGHT with your spouse!) A high-fat diet causes new brain cells to sprout in an area of the brain that seems to regulate eating. It works that way in mice, anyway: If the researchers stopped the new brain-cell growth, the mice gained less weight and stayed more active, even while eating a "supersized" diet.

We already know that high-fat diets aren’t healthy, but here’s some positive news: Popcorn is GOOD for You!
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On TV cop shows, victims almost always identify the perpetrators correctly, but real life doesn’t work that way: DNA testing has revealed that witnesses often pick out the wrong person, while detectives, in the background, keep telling the person to "take your time." But new studies show that these witnesses should go with their snap judgments instead.
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Sound engineers are trying to figure out how people can focus in a single speaker while tuning out other talkers in a t crowded, noisy room. This is known as the "cocktail party effect."

"Watching" the brain in action with fMRI machines reveals that the representation of speech in the cortex does not reflect the entire external acoustic environment but instead just what we really want or need to hear.
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