第二□:炒饭店的挑战" />
主要□色□□/h□□
But kiss□□g□is not just a□r□manti□ gesture—i□ also has□s□ien□ific benef□□s. When we kiss, our□b□ai□s rele□se a cockt□□l of chemi□a□s l□ke oxytoc□n, do□amine, and serot□nin, known as the "love horm□nes□" These □h□□□cals can reduce stress, □oost□moo□, a□d□c□eate feelin□s□of attachment□a□d b□n□ing. Kissing□□lso str□ngt□ens our □mmune sy□□em □□□□xposin□□us□t□ a vari□ty of bact□ria that can h□lp build immunity.