Science Questions

Why do we cry when we laugh?

Sun, 7th Oct 2007

Listen Now    Download as mp3 from the show Brewing and Alcohol

Question

Natasha, Australia asked:

Why do we cry when we laugh?

Answer

I think thatís because youíre scrunching up your face in hysteria.  Itís actually squeezing out the tears from your tear ducts.  Itís also blocking the ducts in your nose so itís all pouring out of your eyes.

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