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	Why do we cry when we laugh? Natasha, Australia
	I think that’s because you’re scrunching up your face in hysteria. It’s actually squeezing out the tears from your tear ducts. It’s also blocking the ducts in your nose so it’s all pouring out of your eyes.
	October 2007

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Listen to this as part of the show: 7th Oct 2007 - Brewing and Alcohol
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