All humans cry. Some of our tears are meant to keep our eyes moist and healthy. Others clean out the eye from dust, pollens and other pollutants. Emotional tears play another role. Although ...
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When Was the Last Time You Cried? And What Does It Mean to Cry Until You're Exhausted?Physiological Impact of Crying Crying increases brain metabolism, improves blood flow ... Benefits Tears serve various biological functions: They lubricate and protect the eyes, preventing infections.
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