30 Things That Science Hasn’t Figured Out Yet

Why Do We Cry?

4. Why Do We Cry?

We cry for so many different reasons – when we’re sad, happy, emotional, or even angry. Even though crying seems like such a natural part of our lives, scientists still haven’t fully understood why we cry! 

Research has revealed that emotional tears are chemically different from the tears we get when something is stuck in our eyes..but researchers are still not sure of the evolutionary advantage of crying.
While we know that newborn babies cry to convey hunger, thirst, or discomfort, the actual purpose of adults crying in several different emotional situations is still a mystery. 
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