Okay, well maybe it doesn’t happen to everyone when they poop, but someone who will remain nameless is known to get teary during a good movement. For the rest of you, yawning may make your eyes water and the reason is probably the same.
The theory is that during a yawn or a good poo, you scrunch up the muscles of the face. The contraction of these muscles can force the tear ducts and glands to be compressed and that forces out tears.
There are three main types of tears: basal tears (lubricate the eye), relax tears (think onions), and emotional tears. We suggest a fourth category, poo tears.
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"Why do your eyes water when you poop?" was posted on Monday, May 5th, 2008 at 1:52 am.