 An estimated five million children under the age of five died in 2021, the United Nations said Tuesday, urging health care investment in underserved communities around the globe to avoid this immense, intolerable and mostly preventable loss of life.Every day, far too many parents are facing the trauma of losing their children, sometimes even before their first breath, said Vidhya Ganesh, a specialist with the UNs childrens agency, UNICEF.Such widespread, preventable tragedy should never b... 