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    Luke O'Neill

    TCD

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    Professor Luke O'Neill is professor of biochemistry in the School of Biochemistry and Immunology at Trinity College Dublin

    The power of laughter. Photo: Fred Morley/Fox Photos/Getty Images

    Why do we laugh?

    Everyone likes a good laugh but what actually causes us to chuckle in the first place and why?

    Laughter • 29 Sep 18

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