Do not shed tears, was seen as a symbol of the strong. Hundreds of men and women in the study found, when people are sad, it will have some harmful components of biological activity. After crying, emotional intensity can be reduced 40% in general. Those who do not cry, no tears to eliminate the use of a result of emotional stress and affect good health and to certain diseases.

Test found that normal tears are salty, the tears of diabetic patients is sweet. When the tears out of sadness, containing more hormones and so on. It is sad when encountered, if they can burst into a cry, tears of the mood after many often feel better. As the grief caused by toxins, have been excreted through the tears.