Why do people kiss at all – Tsikavynky

A kiss is one of the most intimate forms of communication between people, but its origin is still a mystery. There are several theories that explain why humans started kissing, taking into account aspects of biology, evolution and culture

An evolutionary way of strengthening ties

One popular theory is that kissing arose as an evolutionary tool to strengthen social bonds and increase the chances of survival.

Research suggests that close evolutionary relatives of humans, such as chimpanzees and bonobos, also practice similar forms of kissing, which may point to a common root for these behaviors.

Researchers at the University of Warwick believe that kissing may have evolved from a grooming practice common among great apes. According to a hypothesis known as the “caretaker's last kiss hypothesis,” this…