Lady baboons with guy pals live longer

Numerous studies have linked social interaction to improved health and survival in humans, and new research confirms that the same is true for baboons.

Americans' circle of confidantes is down to two

Although the average Facebook user may gave some 130 "friends," in reality, Americans have, on average, slightly more than two confidantes, down from three 25 years ago, but the size of this social network has stabilized ...

Study: Internet use leads to more diverse networks

(AP) -- A new study confirms what your 130 Facebook friends and scores of Twitter followers may have already told you: The Internet and mobile phones are not linked to social isolation.

Sociologists debate: Are Americans really isolated?

A widely publicized analysis of social network size, which reported dramatically increasing social isolation when it was published in 2006, has sparked an academic debate in the August issue of the American Sociological Review ...

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