Combination HIV antigen/antibody tests are far more accurate than traditional antibody-based assays, particularly during the acute stage of infection. Lab-based tests still outperform at-site, ...

While any of the best fitness trackers or even a good smartwatch will give you heart rate monitoring during exercise, their limited technology means they're not as responsive or accurate as a ...

A prominent Chinese economist just said what many people suspected: China's official GDP numbers may not be accurate. "We do not know the true number of China's real growth figure and maybe some ...