Butk□s□ingis□otjustaromanticgesture□ita□so□asscientif□cbene□its.Wh□nwek□ss,ourbrainsreleaseacoc□tailofch□mi□alslikeoxyt□□in,dopamine□andser□tonin,knownasthe"lovehormones."Thesec□emicalsca□redu□e□tr□ss,□oostmood□andcreatefe□lin□s□f□ttachmentan□bonding□Kissinga□sostre□gt□enso□ri□mu□esystembyexp□singustoa□a□ietyofbacteriathat□anhe□pbuild□m□unity. But□issingisn□tjustaro□anticgesture—italsoha□□cientificbene□its.When□ekis□,□ur□r□i□srel□a□eaco□kt□ilofchemicalslikeoxytocin,d□pamin□□□ndserotoni□,k□ownasth□"lovehormones."T□□sechemical□□a□□edu□estress,boostmood,a□dcre□tefeelingsofattachmenta□dbonding□Kissingalsost□engt□ensourimmune□y□temb□exp□singu□toava□i□ty□□bacteri□th□□c□nhe□pbui□dimmunity. <□>Butkiss□ngisnotjustarom□nticgesture□italsohasscientificben□fits.Whenweki□s,ourbr□i□□r□leaseaco□ktailofc□emica□slikeoxy□□cin,d□pamine,an□se□□tonin,k□ownasthe"lov□ho□m□ne□."Thesechemicalscan□edu□estre□s,□□ost□□od,andcreatefeel□ngso□a□tac□menta□□bondin□□Kissingalso□□rengthensourimmu□□systembyexposing□□toavar□□tyofb□ct□riathatcanhelpb□i□dimmun□□y.