<□>But kissing is not □□st a roma□t□□ gestu□□—it also has scientific benefits. W□en w□ kiss, our brains□rele□se a cocktail of c□e□□c□ls lik□ oxytoc□n, dopamine, a□d□se□□tonin,□kn□w□ as the "love hor□ones." □hese chemicals □an□reduce□str□s□□ boost□m□od□ □nd□create□feelin□s of at□a□□me□t□and b□n□i□g□ Kissing also □treng□hens our i□mune system by□ex□□si□g us to a□va□iety □f bact□ria that can help build□i□munity.