角□内心的□扎But □issing is not j□st a romantic g□s□□r□—it al□o has scientific benefits. □□en □e kiss, □ur brain□ release a c□ckt□il o□□chem□cals□like oxy□ocin□ d□pam□ne,□□nd serotonin, kno□□ as□t□□ "love□ho□mones."□These chemicals ca□□□e□uce □tress, □oost□mood, □nd □reate feelings of att□chment□and bo□ding. Kiss□ng also□strength□ns □ur imm□ne system by expo□in□ us to a varie□y o□ □ac□er□a□that□□an h□lp build immun□t□.<□p>