What is the biological/psychological purpose of crying?

Question

Why did crying develop in humans?

Answer 1

simple questions need simple answers
----> humans have emotion thats why theyre cry XD....

Answer 2

crying or weeping, is increased lacrimation due to strong emotional stress, depression or physical pain. This practice is not restricted to negative emotions; many people have been known to cry when extremely happy or when they are laughing. In humans, emotional tears can be accompanied by reddening of the face and sobbing — cough-like, convulsive breathing, sometimes involving spasms of the whole upper body. Tears brought about by emotions have a different chemical make up than those for lubrication. The limbic system is involved in production of basic emotional drives, such as anger, fear, etc. The limbic system also has a degree of control over the autonomic system. This is more specifically the hypothalamus. It is the parasympathetic system that controls the lacrimal glands. Acetylcholine is the neurotransmitter specific to both the nicotinic and muscarinic receptors. It is when the receptors are activated that the lacrimal gland is stimulated to produce tears.

Answer 3

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Answer 4

Throughout history and in every culture, people cry. "Weeping often occurs at precisely those times when we are least able to fully verbalize complex, overwhelming emotions and least able to fully articulate our feelings," Lutz writes. Crying can also be an escape; it allows us to turn away from the cause of our anguish, and inward toward our own bodily sensations. Scientists feel that weeping is probably necessary because no human behavior has ever continuously evolved unless it somehow contributed to survival. "Science has proven that stress is terrible for the health of your brain, heart and other organs," says William Frey II, Ph.D., biochemist and tear expert of the Ramsey Medical Center in Minneapolis, Minnesota. "It isn't proven yet, but weeping has most likely served humans throughout our evolutionary history by reducing stress."

Answer 5

A release of fluid, like sweating i guess! The psychological purpose is to release emotion and show it physically, whether tears or joy or sadness.

Answer 6

I personally think that a good cry cleanses the spirit and allows you to get through your grief a bit quicker because you are getting those feelings out.

Answer 7

I do not if it is much use? If you are being attacked by a Tiger all the crying in the world will not help at all. It will eat you tears and all.

I suppose it must be a childish way to attract sympathy/empathy and help. Rulers and bosses do NOT cry.

Answer 8

its a cleansing/healing mechanism for stored up emotions that havent been processed
have you noticed sometimes that some tears can be more acidic, (ie they sting the cheeks or the eyes?)

its release of toxins...built up through stress of not processing

Answer 9

It cleans the lenses on the eye.
It releases pent up emotion.
It is a way women con men into doing what they want.

Answer 10

crying out problems is good for health...
if you're shy cry alone...
babies cry to draw attraction