Dad jokes may be good for your brain in one surprising way, experts say

"My neighbor tiled my roof for free. He said it was on the house."

While that dad joke might elicit a heavy sigh from family members, experts say a silly pun can alter internal body chemistry and lower stress, potentially providing real health benefits.

Dad jokes are uniquely distinguished by their structure, content and comedic devices, according to a study published on PsyArXiv, an open-access preprint repository for psychology research.

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