<div id="ooyalaplayer" style="width: 800px; height: 450px;"></div><div style="display:none;" id="kalturavideoplaceholder">kalturavideoplaceholder</div><div><div><script src="https://apis.google.com/js/platform.js"></script><div class="g-ytsubscribe" data-channel="BusinessInsider" data-layout="full" data-count="default"></div></div></div><p class="embed-spacer"></p><p>Here's what happens in your brain when you laugh. Laughter has positive effects on your health.&#xa0;<br><br><em>Produced by <a href="http://www.businessinsider.com/author/graham-flanagan" target="_blank">Graham Flanagan.</a> Camera by <a href="http://www.businessinsider.com/forever-21-steals-designs-lawsuits-retail-2015-8" target="_blank">Joe Avella</a>.&#xa0;<br><br /></br></em><strong>Follow BI Video:&#xa0;</strong><a href="https://www.facebook.com/BusinessInsider.Video?fref=ts" target="_blank">On Facebook</a></br></br></p>

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The science of laughter

kalturavideoplaceholderHere's what happens in your brain when you laugh. Laughter has positive effects on your health.&#xa0;Produced by Graham Flanagan. Camera by Joe Avella.&#xa0;Follow BI Video:&#xa0;On Facebook

kalturavideoplaceholderHeres what happens in your brain when you laugh.  Laughter has positive effects on your health.

The science of laughter

Graham Flanagan

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