The Science of Tears by Zachary Humenik

Magazine: Time for Kids
Edition: 3-4, Vol. 6, No. 12
Date: December 18, 2015
Article: The Science of Tears
Author:  Zachary Humenik
U-$0.33-B-0.003856699-BE-86


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3. Ad Vingerhoets has studied crying at Tilburg University in the Netherlands.
4. There are 3 types of tears that exist.
5. Reflex tears are tears that wash your eyes clean when something gets in them.
6. Emotional tears are tears that are released in response to emotional states.
7. Basal tears are tears that act as a protective barrier between the eye and the rest of the world.
8. Emotional tears get release when we feel helpless.
9. According to scientist, crying has something to do with how humans learned to depend on each other.
10. Lauren Bylsma is a professor at the University of Pittsburgh.
11. Lauren Bylsma says, "tears are a cry for help."
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Reference:
https://www.tilburguniversity.edu/webwijs/show/vingerhoets/
http://www.psychiatry.pitt.edu/node/9230