角□关□微妙变化□/h□>
□p>□u□ kiss□ng □s□not j□st a romantic gest□□e—i□ also has sci□ntific benefi□□.□When we kis□,□our □rai□s rele□se □ cocktail of □□emicals like□oxytocin□ dopami□e, and serotonin, known□as the□"lov□ hormones." These □hemic□□s can reduce s□res□, □□ost mood, and create fe□l□ngs □f atta□□me□□□and □onding. □is□□ng also streng□hens our□im□une□system by exposing u□ to a va□iety□□□ bacteria that □a□ h□□□ b□ild im□u□ity.