Loneliness increases the risk of chronic disease and mental health challenges.
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At least half of surveyed US adults experienced loneliness and social isolation.
If you made it past early childhood, your chances got better to see your golden years.
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Nasty, brutish – but not necessarily short. Here’s how archaeologists know plenty of people didn’t die young.
How long could a human really live?
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Researchers think they’ve calculated the limit of human life span – but there’s more to it.