□p>B□t □issing is □ot just a romantic gest□r□—□t a□so □as scie□tif□□ benefits. Whe□ we kiss, ou□ bra□ns releas□ □ co□ktail of□chemical□ lik□ □xytocin, dopa□ine□ and □ero□onin, k□□wn as t□e "lov□ hormo□es." Thes□ che□icals c□n r□□□ce s□re□s, □oo□t mo□d, and □□eate feelings□of attachment□and bon□ing. Ki□sin□ als□ □trengthe□s□our□immune system by exposing us to□a variety of bacteria that c□□ □e□□ build immuni□y.□>