Rising threat from cychlorphine, fentanyl spark expert warnings

Senior medical analyst Dr. Marc Siegel discusses the rising threat of cychlorphine and fentanyl on 'America's Newsroom.'

Fox News senior medical analyst Dr. Marc Siegel joins 'America's Newsroom' to discuss the rising public health threat of fentanyl and cychlorphine, a new synthetic opioid ten times more potent than fentanyl. Siegel warns of the extreme dangers of exposure, outlining how these illicit substances are impacting communities and the critical steps needed to address the escalating overdose crisis.