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17 Things That Make You Dumber

• http://www.businessinsider.com, Shlomo Sprung
 With all the talk about self-improvement these days, people don't pay enough attention to self-worsening. In fact, there are many common behaviors that have been shown in one or more studies to make people stupider.

You can start by turning off most TV shows.

As a follow-up to our 25 ways to boost your intelligence, we've compiled a list of things that decrease intelligence or IQ or cause neurological decline.
 
Watching reality TV
 
An Austrian study showed participants a reality-like show and asked them to take a knowledge test immediately afterward. Those participants fared worse than those who had not seen the reality show beforehand.
Sugar
 
A UCLA study showed that steady sugar consumption for as little as six weeks "slows the brain, hampering memory and learning." Americans consume 35 pounds of high-fructose corn syrup each year, UCLA reported via the U.S. Department of Agriculture.

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