After years of study, the first HIV vaccine efficacy clinical trials will begin in South Africa, with thousands of local adult volunteers.
Scientists have discovered an antibody that could neutralize 98 percent of HIV strains. The discovery could bring scientists closer to finding a way to prevent HIV transmission.
CDC warns against kratom, an opioid substitute, and suggests an emerging public health threat.
It's official! The chimpanzee is a fully protected species in the United States regardless of whether it is a captive or wild animal. And that's good news for humanity's closest primate relative, as it means that all chimps in US labs will be 'retiring' from the exhausting (and arguably maddening) world of research.