It turn out that kissing will unleashes one kind of chemicals to reduce stress both men and women, and also more effect in men.But not so much in women.

 
  • 研究发现,接吻会使人体产生能够降低男女双方压力激素的化学物质,并能增强男性的亲密感,不过这一效果在女性身上并不明显。
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