Bu□ kissing i□ not□ju□t a romantic gesture—it also □□s scie□tif□c be□ef□ts. Whe□ we □iss,□our br□ins relea□e a □□cktail of□c□□micals li□e o□yt□c□n□ dopamin□□ and serotonin, known as the □□ov□ hormones.□ T□□se□ch□mic□ls can reduce s□ress, boost mood, and create □eelings□of □t□ach□ent □nd□bond□ng. Kissing□□lso strengthens □ur immun□ system by exposi□g u□ to a□variety of bact□ria that□c□n help buil□ i□mun□ty.<□p□