crying - try to watch this without crying... :'(

For many, the act of crying is either a daily occurrence or something that happens behind closed doors once a year.

Many have wailed and sobbed at one point without ever knowing why it happens.

In truth, there are several factors that warrant tears to fall and explanations to the tradition of crying.Tears flow from the lacrimal glands that are found at the outer portion of the upper eye.

Tears consist of water, oil, and mucus.When crying excessively, some tears drip down the nasal cavity making the nose more runny than usual. Age, infection, inflammation, injury,tumor, and cysts can contribute to blockages in our tear ducts, which restrict tears.Essentially, there are three types of tears, reflex, basal, and emotional.

Tears that develop from a reflex reaction are the result of an irritation. This can be anything from cutting an onion to stubbing your big toe. Basal tears are the tears that lubricate your eyes everyday, all day. These tears assist in wetting your eyes and freeing your eyes of waste. Watching a sad movie or being broken up with calls for emotional tears. This type of crying is considered the most substantial because these tears involve ones emotions. PLC or Pathological Laughing and crying is a condition characterized by uncontrollable and spontaneous crying or laughing.

Many suffering from strokes, Alzheimer's, multiple sclerosis, and Lou Gehrig's disease show signs of PLC.Women's breasts tend to engorge with milk when their newborn babies cry.Women's tears are known to roll down their cheeks in contrast to men who's tears don't often flow from the eyes as rapidly and refrain from pouring over their eyelids.Until the age of twelve, girls and boys cry about the same amount,the ratio deviates to about 5:1 from adolescence on.A majority of men and women say that they feel better once they have cried. Women more than men feel the need to cry when in distress. A good cry can be a bad cry for those who have depressive tendencies. This type of personality receives no emotional benefit from crying, as their emotional state is constantly unhappy.