Why exactly would people cry?
From the beginning of the First Sound Pro dead began to cry, tears of people grew up on the road has become an indispensable embellishment. Mental trauma, physical pain and other reasons would make you weep.
However, the crying will bring exactly what?
Evolutionary behavior
Tel Aviv University evolutionary biologist Oehlen • Hassan through the study concluded that: people to tears is actually declared himself to others to reduce the level of defense.
“Crying is a highly evolved behavior, my research shows that the tears blurring the line of sight, thereby reducing the level of defense, and in order to send ‘obedience’, ‘help’, ‘contact with each other’ or ‘collective cohesion’ and other signals,” fun Science web site 28 reports quoted the words of Hassan.
Hassan believes that tears in their eyes dim that it could impede other people against their attacks.
He said, tears can show their own vulnerability, and this “fragile” information is often very trust can be a closer distance with others “emotional strategy.”
The research results published in the latest issue of “evolutionary psychology” of the body.