<□>But kiss□ng is□not j□□t □□r□ma□ti□ gestur□□it also □as sc□en□ifi□ bene□its□ W□en □□ □iss, ou□ □□ains releas□□a c□ckta□□ o□ che□icals □ike o□ytoc□□, dopamine, and□serotoni□, kn□wn□as□the □love hormones." The□e□chemic□l□ can reduce stre□s□ boost m□od, and create feelings of atta□hment an□ bondi□g. Kiss□ng also str□n□then□ our im□un□□sy□tem by ex□osing□us to a □□ri□ty of bacteria□that can help b□ild immunity□