The pharmacy at Atlanta's Ponce de Leon Center stocks medications for 5,200 HIV/AIDS patients. Workers there aren't sure how much an increase in federal aid will help cut Georgia's waiting list for a HIV drug-assistance program. Jim Burress/WABE, Atlanta hide caption

itoggle caption Jim Burress/WABE, Atlanta

Dr. Lisa Sterman holds Truvada pills at her office in San Francisco. The drug was recently approved by the Food and Drug Administration to prevent infection in people at high risk of infection with HIV. The pill, already used to treat people with HIV, also helps reduce the odds they will spread the virus. Jeff Chiu/AP hide caption

itoggle caption Jeff Chiu/AP

Activist Alexandra Volgina (right) accepts the Red Ribbon Award at the 19th International AIDS Conference for her grassroots group Patients in Control, which has worked to improve HIV treatment programs in Russia. Ryan Rayburn/IAS hide caption

itoggle caption Ryan Rayburn/IAS

Opana is the latest painkiller that's become popular with drug abusers. Thomas Walker/Flickr hide caption

itoggle caption Thomas Walker/Flickr

Longtime AIDS activist Dr. Ashraf Grimwood says South Africa has made huge strides in confronting HIV. But he worries that giving anti-retroviral drugs to healthy people could have negative consequences in the long term. Jason Beaubien/NPR hide caption

itoggle caption Jason Beaubien/NPR

Anti-AIDS posters at the Eshowe public health clinic in Kwazulu Natal, South Africa. Clinicians there are hoping to slow the spread of HIV by getting more people treatment. Jason Beaubien /NPR hide caption

itoggle caption Jason Beaubien /NPR

Dr. Lisa Sterman holds up a Truvada pill at her office in San Francisco in May. Even before the Food and Drug Administration's approval, Sterman had prescribed Truvada for about a dozen patients at high risk for developing AIDS. Jeff Chiu/AP hide caption

itoggle caption Jeff Chiu/AP

GlaxoSmithKline's mishandling of information on safety problems with diabetes drug Avandia is just one of the violations cited in a settlement with the government. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images

A promising crop of new migraine treatments could alleviate the suffering of millions of Americans. iStockphoto.com hide caption

itoggle caption iStockphoto.com