NBCUniversal Inc. April 24, 2019 11:02 am World Health Organization Releases Guidance on Screen Time for Kids The World Health Organization has released its guidance on how much screen time children under the age of five should be exposed to each day. US & World Videos 2:39 Bruins try not to ‘dwell on the past' ahead of Game 7 against Toronto Maple Leafs 20:50 Karen Read trial: How accounts of first responders have differed 2:43 ‘On the Dot' to redevelop stretch of Dorchester Avenue 1:49 Finalists in math competition hope their model helps ease housing crisis 14:31 @Issue extra: Seth Moulton on pro-Palestinian protests, TikTok and more