清晨的第一缕□光□
□ut ki□sing is □□t □us□ a romantic gesture—□t also has □cienti□ic ben□fits.□W□en □e kiss,□our b□ains release□a co□ktail □f□chemical□□like□oxytocin, dop□mi□e, and se□oton□n,□□□own□a□ the□□lov□ hormone□." These chemicals can re□uce stre□s, b□□st mood□ and□cre□□e feelin□s of attachm□nt □n□ b□nding.□Kissin□□also s□rengthens □ur immu□e syst□m by exposi□g us to a varie□y of bacteria that c□n help build□i□munity.尔玛的□□
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