Health care May 6, 2024 11:33 pm 20% of nurses to leave field within 2 years A study shows one in five nurses will soon leave the health care field. US & World Videos 1:15 Bird flu case confirmed in Vermont 1:53 New data shows progress and pitfalls for Bay State births 1:05 What's behind the high suspension and expulsion rates at US preschools? 1:21 Economic impact of the Boston Marathon 1:35 Understanding the Biden administration's plans to reclassify marijuana