Atelier Persol, Firenze



Philematology is the science that examines kissing from a biological perspective.

The main purpose of kisses is sharing germs and developing antibodies, self-reinforcing and preserving offspring.
Men tend to consider kiss as a prelude for sexual activity and prefer kisses with saliva in order to share testosterone with their partner.
Kiss can also cause a variation in cortisolo and oxytocin blood level. After the kiss, cortisolo decrease for both sexes reducing stress, while oxytocin levels increase only for male.

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