□ut□is□□ngisnotj□st□romant□cgesture□italsohasscientificbenefits.□henw□k□s□,ou□brains□eleaseacocktailofchemicals□i□e□xytoci□,do□amine□and□□ro□onin□known□st□e"l□vehorm□nes."Th□sec□emicalsc□nreduce□tress,boostm□od,andcreatefee□ings□fatta□hment□ndb□nding.Kis□i□□also□trengthens□u□□□munesystembyexpos□ngus□o□varietyofbacteriathatcanhelpbuildimmunit□. Bu□□is□ingisno□justaro□an□□cgesture—italsohasscien□i□icbe□efi□s.Whenwekiss,□□rb□ain□relea□eacocktailo□□hemi□alslikeoxytoci□□dopa□i□e□an□seroto□i□,□□ow□asth□□l□vehormo□es.□Thesechemical□canreduc□□tress,boost□oo□□andcrea□efeel□n□sofattachmenta□□bo□ding.Kissingal□ostren□thenso□rimmunesystembyexposi□gustoa□a□ie□yofb□cter□ath□tcan□elpbuildimmun□□y. □u□kissingisnotjustaromanticg□sture—□ta□sohass□ientif□cbenefi□s.Whenwekiss,our□r□in□rele□se□coc□tailofchemicalsli□eo□ytocin,dopami□e,□nd□erotonin□knownasthe"□ovehormo□es."The□ech□micals□anred□ces□□ess,boostmoo□,a□dcreatefeelingso□attachmen□andbonding□Kis□ingalsostrengthensourimmunesy□temb□exposi□□usto□□ar□etyofbact□riathatcanhelpbuildimmunit□.