A Scientific Explanation of Why We Kiss

  • Why do we put our mouths up to other people’s mouths in order to establish some form of affection and intimacy? Vsauce delves into philematology – the scientific study of kissing – in order to answer the question, “Why do we kiss?” and explain why kissing is good for you, how the act may have evolved from kiss-feeding (something Alicia Silverstone still practices), how to “taste test” a potential mate, the Guinness World Record for the longest kiss and various other tangents related to the human need for love and dependence.