You don’t have to be sitting by yourself on an island to be lonely. Loneliness is everywhere.

Studies from universities, governments and public health groups find that the world is in the grip of a loneliness pandemic. More than half the U.S. population is said to be suffering from loneliness. It is classified globally as a mental health problem.

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Llewellyn King is executive producer and host of “White House Chronicle,” on PBS. He wrote this for InsideSources.com.

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