Certain genetic markers seem to contribute to loneliness, resulting in some people feeling lonelier than others in the same situation.
Why This Matters
Why It's Important
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Key Facts In This Video
Studies have linked loneliness to certain genetic markers. 00:59
Astronaut Al Worden was the most isolated man in history. 01:42
Experiencing nostalgia can help with loneliness. 02:56
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Look at loneliness through a philosophical lens.
The Loneliness Of Outer Space
Learn about Michael Collins, the loneliest man in the universe.
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