Bu□ kis□ing is□□ot j□st a □omantic gesture—it also has scientif□c be□efits. W□en we k□ss□ o□r□□□ains release a cock□ail of chemicals li□e □□ytocin, dopamin□, and □er□toni□,□□nown□as the□"love □ormones." T□□se c□□m□cal□ can reduce□□t□□ss, bo□st m□od, and create feelings □f attachm□nt and □□nd□n□. K□ssing also strengthe□s□□ur immune system b□ e□□□sin□ u□ to a □ar□□ty of bacteria that □an help b□□ld immunity.