For Crying Out Loud

Feel weepy? Let the tears flow! That's the advice provided by Dr. Oren Hasson, whose study of crying behaviors was recently published in the journal Evolutionary Psychology.

Interviewed for Science Daily, Hasson is quoted as saying: "Crying is a highly evolved behavior. ... My analysis suggests that by blurring vision, tears lower defenses and reliably function as signals of submission, a cry for help, and even in a mutual display of attachment and as a group display of cohesion."

Hasson explains that tears are a strictly human phenomenon, and can be used strategically to calm an enemy, gain a friend or connect with a loved one.

In other words, tears can be a powerful tool for connecting individuals, families and groups. It's also a great way to let others know that you need help, support and a little compassion.

On the other hand, Hasson warns, tears can be overused. And in the wrong setting, they can send the wrong signal. For example, tears are unlikely to convince your boss to give you that promotion -- though they might help you turn a rival into a friend.

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