Can you improve your brain function by playing certain types of games or watching videos that claim to boost mental capacity? Some Tallahassee-based researchers have been looking into that question.

There's a lesson about one of the testosterone studies released this week that has nothing to do with testosterone: The study on how testosterone affects anemia was designed with an ethical lapse that nobody noticed until the study was complete.



Now this week, doctors announced a breakthrough in HIV research. A Mississippi toddler who was born with the virus appears to have been cured. Doctors credit an aggressive regimen of anti-retroviral drugs administered just after the girl was born. This is the second well-documented case of someone being cured. The other involved a middle-aged San Francisco man who received a bone marrow transplant from a donor who was genetically resistant to HIV.