But□kissing is□not □ust a□ro□a□tic□gesture—it□also has sci□ntific benefits. When we□kiss,□ou□ □rain□ releas□ a □□cktail of chemicals li□e oxy□□ci□, dopamine□ and □er□toni□, □□own as the □love□hor□ones." These□□hemical□□□□n r□duce stress, boost mood, and□□reate feeli□□s o□ □□ta□h□ent and bo□ding. K□ssing also s□rengt□ens our□□mmune□sys□em by □xposing □s to a v□riety of ba□□□ri□ that ca□ help bu□ld□imm□nity.