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Tears come in three types — basal, reflex, and emotional ... | funfact.wiki | funfact.wiki
Tears come in three types — basal, reflex, and emotional — with measurably different chemistry. A 1980s study found emotional tears contain more prolactin and manganese than reflex tears, supporting the hypothesis that crying may expel stress-related biochemicals.
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  • Prolactin
  • Human body
  • Psychology
  • Biology
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