Bu□ kissing □s not ju□t a roma□tic gesture—it also has sc□en□ific bene□its. Wh□n we ki□s, our□brai□s □□l□ase a c□cktail□of che□i□a□□ l□ke oxytocin, □op□mine, and □erot□n□n, kn□□n as the □love□h□r□on□s." Th□se ch□mical□ can □□duc□□st□ess, b□os□ mood, and creat□ f□elin□s□of atta□hment□a□d bonding. Kissing also stren□thens our immune □y□tem □y exp□sing u□ □□ a variety□o□ ba□teri□ tha□ can hel□ buil□ immunity.□/p>