Have you ever wondered why we cry? There are so many times that it can be prevented no matter how hard we try to hold it. It is one of the our defense in coping up our emotional state.
People shed tears when in pain, but what purpose does crying have?
A scientist now proposes a new theory for why crying evolved – tears can act as handicaps to show you have lowered your defenses. By blurring vision, tears reliably function as signals of submission and a cry for help.The shedding of tears due to emotions is unique to humans
In the past, researchers suggested that crying helps carry stressful chemicals away from the body, or that it lets babies signal health problems.