health
Certain Penis-Dwelling Bacteria Might Increase Your HIV Risk

HIV transmission is a complex process with factors beyond just who you sleep with and how. The virus ultimately needs to find its way to the correct kinds of cells in order to wreak havoc. And some of the risk, at least for those with penises, may come from the kinds of bacteria on the tip. Read More >>

medicine
HIV Can Adapt to Gene-Editing Attacks

Scientists are excited about the prospect of using CRISPR, a powerful gene-editing tool, to combat HIV. A discouraging follow-up study shows that HIV is capable of developing a resistance to the genetic attack—but scientists say CRISPR’s battle with HIV is far from over. Read More >>