<□>B□t kissing i□ not□just a□romantic gest□□e—i□ also has scientific be□efits. Whe□ w□ kiss, ou□ brains relea□e a co□ktail□o□ chemical□ like oxytocin, dopamine□ and □ero□onin, known □s the □l□ve hormones□" □hese c□emic□ls can □educe□stress, bo□st mo□d,□an□ c□□ate feeling□ of att□ch□e□□ and b□□di□g. Kissing a□so stre□g□hen□ our□□mmun□ syste□ by □xpos□ng □s to a variety of bact□ria that□can □elp b□ild immu□ity.□>□