<□>But kiss□ng is not□□ust a□rom□ntic g□sture—i□ als□ has □cient□fic ben□fits. W□en we kiss,□□ur brains releas□ a co□ktail of c□e□icals □ike oxy□ocin, □op□mine, and□s□rotonin, k□own as th□ □love ho□mones□" These□□hemicals can reduce st□ess,□boost mood□ and□create□feel□□gs□□f □□tachment□and bo□□in□□ K□ss□ng also□stre□gthe□s our immun□ □ystem by ex□osing□us to □ variety of bac□eria th□t ca□ help buil□ imm□ni□□.