Did Laughter Evolve to Make Us Healthy? | National Geographic

Researchers are looking into what laughter can do for our health. More than a form of communication, laughter helps people thrive. Some folks take that to heart and gather for "laughter yoga."
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Read more about what research says about laughter and health:
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PRODUCER: Gabriella Garcia-Pardo

Did Laughter Evolve to Make Us Healthy? | National Geographic
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