Tears have a wide range of functions that are critical to ocular health and emotional regulation. Each type of tear has a slightly different biochemical structure and content specialized to their ...

It’s been said that angry tears are salty and happy tears are sweet. Whether or not that’s actually the case, it is true that not all tears are the same. Tears from chopping an onion are different ...

Preservative-free artificial tears reduce subjective symptoms in people with digital eye strain (DES) and dryness symptoms, ...

Men are less aggressive after smelling women’s tears, according to study findings published Thursday in PLOS Biology. The research, carried out by the Weizmann Institute of Science in Israel, found ...

A fascinating study has found that sniffing female tears significantly reduced male aggression and decreased activity in aggression-related brain networks. It’s suggested that the effect, which is ...