Watching a couple hours of TV a day can have major effects on your brain. So what would happen if you quit cold turkey? The average adult watches 2.8 hours per day of television, according to the American Time Use survey from the Bureau of Labor Statistics... Adam Lipson, a neurosurgeon with IGEA Brain & Spine, says one of the best studies is from Tohoku University in Japan. "They noted thickening of the frontopolar cortex, which is related to verbal reasoning ability, and also correlated with a drop in IQ in proportion to the number of hours of television watching," he says.
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