See related story: Why Some With HIV Are Healthier
Slideshow: Why Some With HIV Are Healthier
Researchers have solved the 16-year-old mystery of why a small number of HIV patients remain healthy after contracting the virus. By Kristen Philipkoski.
Alpha-defensins are labeled in green, CD8 proteins are in red and nuclei are in blue. The alpha-defensins from CD8 cells may suppress the AIDS virus replication, according to recent research.Science

