Detroit Lions’ Jack Campbell recovering from neck injury

Emergency medicine physician Dr. Stephanie Widmer discusses Detroit Lions linebacker Jack Campbell’s neck injury, CTE and the death of 24-year-old New York City Marathon runner Rachel Apa on ‘America’s Newsroom.’

Dr. Stephanie Widmer joins ‘America’s Newsroom’ to examine Jack Campbell’s neck injury and recovery, the risks of CTE among NFL players and the tragic death of 24-year-old New York City Marathon runner Rachel Apa.