The question of the function or origin of emotional tears remains open. Theories range from the simple, such as response to inflicted pain, to the more complex, including nonverbal communication in order to elicit 展开

According to the German Society of Ophthalmology, which has collated different scientific studies on crying, the average woman cries … 展开

There have been many attempts to differentiate between the two distinct types of crying: positive and negative. Different perspectives have been broken down into three dimensions to examine the emotions being felt and also to grasp the contrast between the two types. 展开

There are three types of tears: basal tears, reflexive tears, and psychic tears. Basal tears are produced at a rate of about 1 to 2 microliters a minute, and are made in order to keep the eye lubricated and smooth out irregularities in the cornea. Reflexive tears are tears … 展开

It can be very difficult to observe biological effects of crying, especially considering many psychologists believe the environment in which a person cries can alter the experience of the … 展开

Infants can shed tears at approximately four to eight weeks of age.
Crying is critical to when a baby is first born. Their ability to cry upon delivery signals they can breathe … 展开

In Orthodox and Catholic Christianity, tears are considered to be a sign of genuine repentance, and a desirable thing in many cases. Tears of … 展开