经典情□□现才华□□>
□p>But ki□sin□□is not ju□t a romantic ges□ure—it also has □cien□□□ic benefits.□□h□n we kiss, ou□ brains □elease a □o□k□ail o□□chemic□ls□lik□ oxytocin, do□□min□,□and serotonin, known□as the "love □ormone□."□These che□icals can r□duc□ stress, boo□□ moo□, a□d cr□ate feel□ngs □f atta□hment □nd□bonding.□Kissing□als□ st□engt□ens□our immune syst□m □□ exposin□ u□ to□a variety□of ba□□e□ia that can h□lp build immunity□