Results of a new study show HIV rates have declined in the US. According to the report, published in the Journal of the American Medical Association (JAMA), from 2002 to 2011 there was a 30 percent decline in diagnosis of HIV nationwide. Despite the decrease in diagnosis, challenges still remain. Trends in HIV The study authors looked at trends in HIV during the time period among persons age 13 and older, finding 493,372 persons were diagnosed with HIV in the US. The results came from data that is part of the National HIV Surveillance System of the CDC. The biggest...