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Loneliness is contagious

The dots in this group of friends, spouses and siblings represent the 1,019 members of the largest social network in the study. Each dot represents one person - circles are women, squares are men - connected by lines representing the relationship between each pair. Each dot's color indicates the number of days that person said he or she had felt lonely in the previous week.

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Feeling lonely? Chances are you're not alone.
Article | Loneliness is like a disease -- and what's worse, it's contagious.

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