Science Insider
Have you ever wondered about the difference between the two types of tears?
Vidunenahawula Website (National Institute of Fundamental Studies)
Have you ever wondered if you compared the two types of tears, tears we cry when chopping onions and tears we cry when we are sad, would they look similar under a microscope? No, they wouldn’t. Basal tears like those that issue when chopping onions have a different chemical component than psychic tears like tears of joy and grief. For example, the former contains enzymes like lysozyme, which fights bacteria, and the latter contains leucine enkephalin, a natural painkiller.
