The Tear Theory

What are tears are made of? Why do when we cry or laugh, we cry just the same?
Observing snapshots of people crying and laughing, Tom Lutz, author of Crying: The Natural And Cultural History of Tears, noted that tears are shed when the face is "crunched up". I'm sure you would agree that this "crunching up" is common when we both give a generous outburst of laughter and wail in deep sorrow. Shedding tears is also a body's natural way of returning to normal state after a surge of excitation.

Emotional tears, however is different from the one that wells up when you chop an onion. It was found out that emotional tears are abundant with protein-based hormones that spike when we're stressed. Thus the theory that crying, or shedding of tears, is a bodily attempt to de-stress.

Now then, if laughter is best medicine, crying could be a close competitor. What do you think?



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