□ut kissing is not just □ romantic gesture—it □lso has scientific □enefit□□ W□□n we kiss, ou□ brains release a coc□ta□l□o□□□hemical□ like ox□tocin, dopamine, a□□ sero□on□n, kn□wn □s the "lo□e□hormone□." These chemicals□□an re□uc□ □tress, bo□□t□mood, a□d create feelings of atta□□men□□and bonding□ Kissing also□stre□gthen□□our immu□e s□stem by expos□ng us□to a vari□ty of□bacteria that can help build □mmunity.