Polyacrylamide disk gel electrophoresis disclosed no significant difference between the distribution of positively or negatively charged proteins of irritant-. They all contain the same chemical makeup, but more stress hormones and natural painkillers than other kinds of tears. Science says that every tear has a different viscosity and composition, mikkers told business insider. Emotional tears kick in during times where you feel a loss of control, and scientists think that, along with other physical reactions such as an. Mikkers wants to see how a tear caused by a sad movie could differ in appearance from a tear caused by stubbing your toe. Tears are secreted from the lacrimal glands located at the back of the top eyelid. All tears contain water, lipids, lysozyme, lipocalin, glucose, and.
Science is close to solving the mystery of why humans shed tears (and. Some evidence that emotional tears are chemically different from the. Humans are the only species who cry from emotional stimuli. Plus, our tears have different chemical composition and appearance based on. Laboratory analysis has revealed that the liquid we shed in grief has a chemical composition uniquely different from that of other kinds of tears.). .