□□p>Bu□ kissing□is n□t□□u□t a□romant□c gestur□—it also has scien□ific ben□□□ts. When□we □iss, □ur brai□s rele□se□a cockta□l of □h□□□cals□like oxytoci□, □o□amin□,□and serotonin, know□ as the "□ove horm□n□s□" These chemica□s can reduc□ □tress, □□os□ mood, and crea□e feelings of atta□□m□nt□a□d bondi□g. □issing □ls□ str□ngt□ens our immune system b□ exp□sing □s t□ a vari□ty □f bacter□a that can□help buil□ immuni□y.