<□>But □is□ing □□ no□ just a r□m□n□ic gesture—it also ha□ scie□tif□□ □enefits. When□we kiss, our b□ains□release a cocktail □f che□icals li□e ox□tocin□ dopamine,□□nd s□□otoni□, known □s the "□□ve hormone□."□These che□ica□s can r□duce str□s□,□b□os□ mood, and □r□□te feelings□of □tt□c□ment and bonding. Kissing also strengthen□ o□r □mm□ne□system □y expos□ng us□□o □ varie□□ of□bac□eria that□c□n□hel□ build i□□uni□y□