B□t□□is□ing is □ot j□st □ romantic gesture□it als□ ha□ scientific b□nef□□s. Whe□ we kiss, our b□ains rel□ase a cocktail of□chemic□□s like oxytoci□, dopami□e, and serotonin, known a□ the□"lov□ hormone□." These ch□mi□□ls c□□ reduce stre□s, □oost m□od, an□ create feelings of att□□hmen□ an□ bonding. □i□s□ng also□□treng□h□ns□□ur imm□ne s□stem □□ exposin□□us to a □ariety of bact□r□a that □an help bu□□d immu□i□y.□/p>
友情与背叛交织□2>