The opioid – which looks like a concrete mix – is a highly potent combination of heroin, fentanyl (a synthetic opioid), cafentanil (which is also used as an elephant tranquilizer) and U-47700 (synthetic opioid).    Since this drug is created in illegal underground labs...

Why is this happening? Among new heroin users, 75 percent report having abused prescription opioids before using heroin. (CDC) Heroin availability at the retail level in many US markets is a high purity (CDC) Increased heroin availability at a relatively low price (compared to prescription opioids) (CDC...