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  1. 6 天前 · 7 min read. Viral vs. Bacterial Infections. Bacterial and viral infections have many things in common. Both types of infections are caused by microbes -- bacteria and viruses, respectively -- and...

  2. 4 天前 · The sexual response cycle is how experts describe what’s going on inside your body that makes you feel and respond the way you do during sex. Back in 1966, sex researchers William Masters, MD, and...

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