Health & Science March 1, 2023 6:44 pm What Is Insulin? Insulin plays an essential role in the human body, especially for the 37.3 million people in the U.S. who have diabetes, according to the National Diabetes Statistics Report. US & World Videos 3:45 Scarlett Johansson responds after ‘eerily similar' voice pulled from ChatGPT 2:03 Videos show chaotic scene involving gunshots, stolen vehicle in East Hartford 1:16 Own an iPhone? You could be eligible for a payout as part of a $35 million settlement 1:54 WATCH: Animals snack on cicadas at Chicago zoo 4:59 ‘Collective failure': Families of Uvalde shooting victims file lawsuit over police response and alleged ‘cover up'