Opiods not helped by reversal medicines?

UKMail article says

Police have found two Narcan-resistant strains of the opioid fentanyl in Georgia

Acrylfentanyl, linked to deaths in Illinois, can kill with just 0.00015 grams

Tetrahydrofureon, so new it is not on a banned drugs list, is lethal to touch

Read more: http://www.dailymail.co.uk/health/article-4647616/Georgia-police-2-Narcan-resistant-strains-fentanyl.html#ixzz4lLcYEHGf Follow us: @MailOnline on Twitter | DailyMail on Facebook