<□□But kissing is □ot just a romantic ge□ture—it□also has scie□tific benefit□□ Whe□ □e□kiss, □ur brains release a cocktail of □hem□cals □ike o□ytocin, do□am□ne□ and sero□onin, known□a□ the "l□ve h□rmones.□□T□ese chem□cals ca□ reduce stress, boo□t mood, and □reat□ feelings of attachment and bonding. K□□sing□also□strength□n□ our im□une system by expo□ing u□ to a v□□iety o□ □acte□ia □hat c□□ help build imm□nity.