Malin Tom is an “emotional man,” which explains why he kept his journey through Angel Island mostly to himself for 60 years. “I did not want to cry in front of people,” says Tom, now 81 ...

Why do we cry? The science of tears. Happy, sad, crocodile or from onions, Dr Nick Knight explains the scientific reasons behind sobbing. Nick Knight. Thursday 01 January 1970 01:00 BST.

A new study adds to evidence suggesting that people's perceptions of others' tears as sincere or manipulative likely depend ...

Tears do come out of our eyes when we are emotional – either very sad or happy – or when our eyes are irritated by something, like a bit of dust that gets into our eyes or when we cut an onion.

Humans’ emotional tears are unique. How they developed is unclear, but they seem to be beneficial. So go ahead, have a good cry.

There are many observations of animals that cry out, vocalize, and express distress, which seem to reflect the human equivalent of pain or bereavement, but crying seen as tearful sad sobbing seems ...

It is a tragedy or a comedy—sad or merry, as it happens." ... Cite this: The Tracks of Our Tears: Why We Cry - Medscape - Oct 18, 2016. Tables. References. Authors and Disclosures.

As the poet Heather Christle writes in “The Crying Book,” humans are continuously producing “basal” tears, to lubricate our eyes, while “irritant” tears flush out foreign objects.

The similarity between “happy” tears and “sad” tears also exists in the biochemical and physiological processes that underpin all types of emotion-based crying.