A roundup of bite-sized health news from around the web.
The scoop on ice cream: The science behind food addiction is inconclusive, but a new study shows the brain's reaction to ice cream and drug use is similar. The more ice cream you consume, the more you need to eat to register feelings of reward and satisfaction in the brain, one researcher explained. (MSNBC)
Eight-hour sleep myth: Think you need eight hours of shuteye? Think again. A growing body of evidence from history books and scientists suggests that humans aren't meant to sleep eight hours a night. (BBC News)
Pill to lose pounds: The anti-obesity pill, Qnexa, is one step closer to hitting the market now that a panel of advisors to the Food and Drug Administration has overwhelmingly endorsed the pill. (CBS News)
Answering the colonoscopy question: A new study provides what independent researchers call the best evidence yet that the colonoscopy — perhaps the most unloved cancer screening test — prevents deaths. (LiveWellNebraska)
Twitter invades the operating room: Doctors performed the first live surgical twittercast of open heart surgery in the U.S. this week at a hospital in Texas. Don't worry: One doctor operated while the other updated Twitter. Check out the tweets below.
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