``□<□p>
□p□□□t kissing is not ju□t a roma□tic □estu□e—it also□has□scien□ific b□nefits. When□we□ki□s, □u□ brains□re□ease a□cock□ail□of ch□mica□s □i□e oxytocin, dopami□e, and sero□o□in, known □s t□□ "love □ormo□es." These □hemic□ls□can□reduce str□ss□ bo□s□ mo□d, and create□f□elings o□ attachment and bo□□ing. Kis□i□g also □tren□□hens our immune system by expos□□g□us t□ a vari□ty of b□cteria□□hat can□he□p build immunity.第二滴血<□h□>
回顾东北告别天□的辉煌历程□2>