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Sugar as Brain Food

This isn’t great news for dieters, but sometimes sugar can be a good thing. Roy Baumeister, a psychologist at Florida State University, had subjects perform a mentally taxing task – watching a video while being careful to ignore random words scrolling across the bottom of the screen. (Apparently, it takes quite a bit of concentration to NOT look at the scrolling words.) Then, the subjects were given a drink of lemonade and asked to perform another cognitively demanding task, choose an apartment based on descriptions of various options.

The catch was that some subjects drank lemonade made with real sugar, and others had lemonade made with Splenda, a sugar substitute without nutritional value. The performance differences on the apartment task were surprising. […]

By |October 29th, 2009|

Diet Drinks Don’t Fool The Brain

But, a little sugar goes a long way
Diet soft drinks are huge sellers in the U.S. as many consumers use them as a substitute for their calorie-laden sugary bretheren. The good news is that the flavor of these products have improved over time. Of late, Coke Zero ads have focused on humorous “taste infringement” legal action by regular Coke. The bad news: your brain isn’t fooled as easily as your taste buds, and readily distiguishes between sugar substitutes and the real thing. The news isn’t all bad, though. There’s new research that shows that a mere taste of sugar can go a long way. […]

By |April 24th, 2009|