Methamphetamine

Drug testing toddlers, felony ingestion charges, overcrowded jails and prisons, racial disparities -- South Dakota has it all.

Although overall drug overdose deaths declined last year, there were big increases in meth- and cocaine-related ODs. What's up with that?

A leading academic voice on drug and criminal justice policy has left us, skyhigh Virginia pot arrests prompt calls for reform, Brazil's rightist government moves to silence critical voices on drug policy, and more.

Marijuana and medical marijuana bills are seeing action in the states, South Dakota's governor vetoes an industrial hemp bill, a key UN organization calls for global drug decriminalization, and more.

The good, the bad, and the ugly in the world of domestic drug policy this year.

Multi-drug combinations prove particularly deadly.

Cops said their roadside drug test said it was meth. It's far from the only time the cops or the test has been wrong.

In South Dakota, testing positive for drugs is a felony.

Medical professionals are on board with marijuana legalization, and Diane Feinstein is getting there, too; the latest national drug use survey is out, US Customs talks tough about Canadians and marijuana, and more.

Wastewater analysis can reveal many secrets, including the continent's party hot spots.