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Study looks at genes that control emotional response

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From the University of Utah Health Sciences press release via EurekAlert!: The velvety voice of Elvis Presley still makes hearts flutter—and in a new study with people who have the rare genetic disorder Williams syndrome,… 

Study looks at root causes of daytime sleepiness

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From the American Academy of Sleep Medicine press release via EurekAlert!: Three studies being presented today at sleep 2012 conclude that obesity and depression are the two main culprits making us excessively sleepy while awake.… 

Study suggests serotonin levels are regulated by gut bacteria

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From the University College Cork press release via AlphaGalileo: UCC scientists have shown that brain levels of serotonin, the ‘happy hormone’ are regulated by the amount of bacteria in the gut during early life.  Their…