□<□>But □issing□is□not □ust a romantic gestur□—i□ □□so□has scienti□ic benefit□. When w□ kiss□ our b□ai□s□relea□e a coc□tai□□of□chemicals lik□ oxytocin,□d□pamine, a□d seroton□n,□kn□wn as the "love h□rmo□es." The□□ chemi□a□s can reduce□stress, boost □oo□, □nd create fee□ing□ of□□□tachment and bo□□ing□ □issing also□□tr□ngthens our immune□system by □xpos□ng us to a variety o□ bacteria that can h□□p □□ild immu□ity□