But kis□ing is no□ just a ro□□nt□c□gestur□—it a□□o has scie□t□□ic benefits. When we □iss,□ou□ brains rele□□e a cockta□l □f chemicals like ox□tocin, dop□mi□e, and □eroto□□□, kno□□ as□□he □love hormon□s." These che□ica□s can reduce stress, boost moo□, and create f□eli□gs of attac□ment□and bon□i□g. Ki□□□ng also strengt□ens our□im□une syst□m by □xposing us to a var□ety□of □acte□ia th□t□can help build □mmunity.精彩片段回放□2>□<□2>□晨的第一缕□光□/h2>