□□□>## 时□观念对社会□影响
But□ki□sing i□ not □ust □ romantic ges□ure—i□ al□o □as scient□fic benefits. When□w□ kiss, our b□ains release □ co□ktai□ of ch□□icals li□e oxyt□cin□ dop□min□, □□d ser□toni□□ know□ as the "l□ve hormone□." These chemical□□can re□uce□stress, boost mood, and cr□a□e fe□lings of attachment□□n□ bonding.□Kissing□also strengthens o□r immun□ syste□ by□expo□ing us to a □ariety of bact□ria □hat□can help b□ild immunit□.<□p□