and if the recent diseases are caused by an additive, like vitamin e, then the overall panic is disingenuous.

>They say black market operators are using more thickening agents to dilute THC oil because of a crackdown by state authorities that has made the oil scarcer on the black market.

Maybe regulators should be blamed for causing a scummy black market, instead of pointing the finger at "vaping."

https://www.washingtonpost.com/health/potential-culprits-in-...