(CBS/AP) WASHINGTON – Most U.S. and coalition combat units in Afghanistan have returned to their practice of partnering with Afghan forces, nearly two weeks after the top U.S. commander put restrictions on such arrangements, Defense Secretary Leon Panetta said Thursday….
Heart failure patients have weakened hearts, but researchers say an experimental drug used for the first time in humans may repair heart cells and improve heart function. According to the results of a small phase 1 trial, a single intravenous…