April 27, 2018 6:55 am Cannabis Plant Extract to Be Studied as Autism NBC 7’s Joe Little takes a look at a new UC San Diego clinical trial getting set to launch at the end of 2018 that will examine the effects of cannabidiol on children with severe autism. US & World Videos 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season 2:20 Bodies of Missing Men Found in Rubber Bins Inside Storage Unit 1:42 Hundreds of Golden Retrievers Walk a Mile for the Official Boston Marathon Dog 1:51 Typewriter Shop Owner Receives Gift From Tom Hanks