An industrial chemical used in plastic products has been cropping up in illegal drugs from California to Maine.

Fentanyl, which is often hidden in counterfeit pills, is fueling the worst drug crisis in U.S. history. Last year the ...

When he took samples that were supposed to be fentanyl to Drug Checking Los Angeles to analyze, he learned that some contained the strange chemical. The 35-year-old said he now tries to avoid ...

Fentanyl, which is often hidden in counterfeit pills, is fueling the worst drug crisis in U.S. history. Last year the ...

When he took samples that were supposed to be fentanyl to Drug Checking Los Angeles to analyze, he learned that some contained the strange chemical. The 35-year-old said he now tries to avoid ...

based on chemical prevalence. They found that BTMPS sometimes dramatically exceeded the amount of fentanyl in drug samples and, in some cases, had made up more than a third of the drug sample.

When the state stopped prosecuting the possession of small amounts of drugs, deaths climbed. Correlation or causation?

Read more: Cedars-Sinai terminates OB-GYN's hospital privileges after complaint investigation Researchers called it the most sudden change in the U.S. illegal drug supply in recent history, based on ...

When the state stopped prosecuting the possession of small amounts of drugs, deaths climbed. Correlation or causation?