Is there difference between sad tears and happy ones?

We can cry because we're happy. We can cry because we're sad. We can cry because we're cutting onions. We can cry just because we need to cry. They're all completely different emotions... but are they different tears? read more

So there are three different types of tears. Psychic tears (happiness, sadness) are caused by extreme emotions. Basal tears are made to keep the cornea lubricated. Reflex tears (onions, tear gas) come out in response to something else. Smithsonian says that Fisher found that those three different types of tears contain different molecules. read more

Tears, as such, have no difference. Our tear glands are highly sensitive to extreme emotions, so not only in happiness and sadness, tears can come out even in frustration. It has the same composition in all cases. read more

Examines the mystery and magic of human tears. Salt content of tears; Reasons why women cry more; Differences between reflex and emotional tears; Special convention controlling what tears are acceptable and what tears are not is social situations. read more