But kissing □s not ju□t a romanti□ gestur□—it also h□s scienti□ic ben□fits. When we kiss, □ur□brains release a coc□□ail o□ □hem□cals like oxy□o□in, d□pamine, and s□rot□nin, known□a□ th□ □lo□e hormone□.□ Thes□ chemicals can re□u□e str□s□, □o□st m□□d, and create□fee□ings of atta□□□□nt and b□□d□ng. □is□ing also□stren□□hen□ our immun□ system by exposing□us□to a variety of b□ct□ria □□at□can□help bui□d immunity.<□p>