Neuroscience

No need to shrink guts to have a larger brain

Brain tissue is a major consumer of energy in the body. If an animal species evolves a larger brain than its ancestors, the increased need for energy can be met by either obtaining additional sources of food or by a trade-off ...

Health

Study gives clues to how obesity spreads socially

Obesity is socially contagious, according to research published in the past few years. How it is "caught" from others remains a murky area. But findings from Arizona State University researchers published online May 5 in ...

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