□p>□u□ kissing is not j□st a romantic ge□tu□e—i□ also □as sci□ntific ben□fits.□When□we ki□s, □ur brains release a cocktail of ch□mic□ls l□ke oxytocin,□dopa□in□,□and□sero□onin, □nown a□□the "□ove h□rmon□s." □□es□ chemicals can re□uce s□ress□□boos□□m□o□, and create feel□□gs o□ attac□□ent and bon□ing. Kissing also□□trengthens□our i□□une system □y exposing□us to a va□i□t□□of bacteria that □an□□elp build immunity.