World science witnesses a new direction in the studies of physiological and psychological fundamentals of a human kiss. Recently American Association for the Advancement of Science has officially acknowledged a new science called philematology during its annual conference.

Philematology accommodates a broad range of researches. Whenever two lovers exchange romantic kisses, emotional move affects the activity of certain hormones, namely, the level of cortisol – also referred to as “stress hormone” – is reduced in blood and additionally concentration of oxytocin, a hormone that is responsible for social trust, rises, the scientists discovered.

The new scientific approach has already attracted considerable funds for upcoming researches. Besides, philematology includes a number of completed works in the area, BBC reports.

Source of the image: sxc.hu/profile/mikelawrey.