问:在性生活之前,我跟老公都习惯痛痛快快洗个澡,一是为消除白天的疲劳;二是为清洁皮肤,除去异味;三是清洗性器官,杜绝病菌感染。但听说这种作法不利健康,这究竟是怎么回事?答:我们身体的血液尽管循环不息,但其总量是相对恒定的,在各个脏 Q: Before sex, my husband and I are used to taking a shower, one is to eliminate fatigue during the day; the other is to clean the skin and remove odors; the third is to clean the sexual organs, to prevent bacteria infection. But I heard that this practice is unfavorable to health, what exactly is going on? A: The blood circulation of our body, although the constant, but its total is relatively constant, in each dirty