Which eye cries sad

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Kathleen Jee, M. Kayla Karpuk, O. Jennifer Killian, O. Alexander P. Kosmidis, M. Alex Lamorgese, O. Beth E. Lin, O. Matthew Mak, M. Daniel Pierre, M. Sean M. Platt, MD Llewelyn J. Rao, M. Charles Roseman, O. Jerome P. Schartman, M. Eric Ward, O. Roizen says. And we cry for social reasons to communicate distress, sincerity, attraction, aversion — depending on the context. The fluid that makes up tears contains water, for moisture and oils for lubrication and to prevent evaporation of tear liquid.

Tears also contain mucus for even spreading of tears on the surface of the eyes as well as antibodies and special proteins for resistance to infection.

Oxygen and nutrients are also transported to the surface cells of the eyes by tears, since there are no blood vessels on the eyes. There are three kinds of tears, and each has very different jobs.

Some tears keep your eyes moist, some wash away debris and protect your eyes from infections, Dr. Some tears are paired with our emotions. According to the American Academy of Ophthalmology emotional tears are triggered by empathy, compassionate and societal pain, physical pain, attachment-related pain, and sentimental or moral feelings. Some studies also suggest people are more likely to feel better after crying if they received social support while doing it.

All fluids in the body have a little salt in them, Dr. Roizen notes. The salt content in tears is about the same as the salt content of blood plasma. Salt is necessary to the proper functioning of the body overall. Nobody knows why. But a chemical in psychic tears is associated with the production of breast milk.

Men also have smaller tear ducts which may factor in. The nose and eyes are connected by tiny passages. Tears are, in fact, meant to drain down your nose and throat.