But k□ssing□is n□t just a r□manti□ gesture—it also□ha□ scienti□□c □□nefits. When □e□kiss,□o□r brains rele□se□□ cocktail of chem□cals l□ke oxy□ocin, dopami□e, an□ serotoni□, kno□n as the □lov□ hormon□s." These chemicals can□reduce stress, □oost mood,□an□ □reate□feelings □f attach□□nt and bond□n□□ Kissin□□a□so str□ngthens □ur i□mune syst□m□by□ex□o□ing us □□ a v□□iety □f bacte□ia □hat can h□l□ bu□ld immunity.第□章:□情的终章