□p□But kis□ing is □ot □ust □ ro□an□i□□gesture—it a□□o has□□cient□fic □enefits. When we□kiss, □□r brains rel□ase a c□c□tail of chemicals like ox□toc□□□ d□□amine,□and □erotonin, kn□□n a□□the "l□ve□h□rmones." T□ese □he□ic□l□ can re□uce □tress, boost mood, and□cr□ate feeli□gs of a□tachment and bon□i□g. Kissing a□so strengthens our immune sy□te□ by e□posi□g □□ to a varie□y of ba□ter□a t□at can he□p □uild i□mu□ity.古惑仔7国语高清□/h2>