NBCUniversal Inc. November 17, 2017 11:53 am Owning a Dog May Help You Live Longer: Swedish Scientists According to a new study in Sweden, owning a dog could help you live longer. Scientists followed more than 3 million adults for 12 years. US & World Videos 5:02 Demolition of I-95 overpass in Norwalk set to begin after fiery crash 2:38 High Schooler donates 7,000 pounds of homegrown produce to Iowa community 9:45 Orlando Bloom says he's shocked he's still alive after filming his new adventure show 9:22 Mississippi nonprofit tackles poverty head-on through radical approach 1:30 SEE IT: Miles of traffic backed up on I-95 and sideroads after fiery crash in Norwalk, Conn.