<□>But kissing i□ □o□ jus□ a rom□n□ic□gesture—it also □as□sci□nt□fic benef□□s□ When □e kiss, □u□ brains release □ □ockta□l of chemicals l□□e oxyt□cin, dopami□e, and□serotonin□□□n□wn as □he□"□□ve hor□o□es." The□e□chemica□s ca□ red□c□ □tress, □oost mood, an□ crea□e feelin□s of att□chment □□d bon□ing. Kissin□ also str□ng□he□s our□immu□e □ystem by exposing u□ to a vari□ty of bac□eria that can□□el□□build □mmunity.□/p□