January 5, 2018 5:01 pm Experts Provide Tips to Prevent Marijuana Poisoning Very little is known about how much marijuana is too much and could cause an overdose. NBC 7’s Wendy Fry spoke with experts. US & World Videos 2:45 La Jolla Concours d'Elegance classic race cars 1:39 Troops Endure Hyper-Realistic Training 2:07 New study links consuming red meat with dementia 2:05 Police find, return dozens of abandoned Amazon packages 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl
