<□>But kis□ing is not just a rom□ntic g□□ture—□t a□so ha□ □□□entific □enefits. Whe□□□e kiss, our bra□ns rele□se a c□cktail of chemicals l□□□ ox□to□in, dop□mine, □nd se□ot□□in, known □s the "love □or□ones." Thes□ c□emicals can r□d□ce str□ss,□boost□mo□d, and create□fee□ings □f attachm□n□□and □o□ding. Kis□i□g□als□ s□r□ngthen□ o□r immune system by expo□i□g us to a var□e□y of bacteria that can hel□□build□immunity.<□p>