A new study published in Psychopharmacology investigates the biological phenomenon known as reintoxication in cannabis users.

INDIANAPOLIS — Marijuana, and the tetrahydrocannabinol (THC) levels that make someone feel high, is legal for recreational purposes in three of Indiana’s four neighboring states. But figuring out when ...

Using a breathalyzer alone to effectively detect cannabis impairment could be a pipe dream, according to a recent pilot study spearheaded by the University of Colorado. A valuable tool over the past ...

More than 2 in 5 drivers were driving while stoned when they died in car wrecks in a major Ohio county, a new study says. Coroner records show that nearly 42% of drivers who died in motor vehicle ...

For decades, police have used breathalyzers to test for alcohol, but they don’t have a reliable tool to measure marijuana use. That could change soon. Researchers are working to develop a breathalyzer ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DELAWARE COUNTY, Ind. — Charges have been ...

Coloradans can get arrested for driving while stoned. But with no good roadside tools, officers' determinations are more subjective than for... Scientists Still Seek A Reliable DUI Test For Marijuana ...

(INDIANA CAPITAL CHRONICLE) — Marijuana, and the tetrahydrocannabinol (THC) levels that make someone feel high, is legal for recreational purposes in three of Indiana’s four neighboring states. But ...