The school’s decision to drug test Greek organizations has led to reports of increased use of prescription drugs like Xanax, which leave the body quickly but are more dangerous.

The leading cannabis legalization initiative in California would keep labs private but build a firewall between them and other businesses.

The Justice Department’s top courtroom lawyer asks the Supreme Court to toss Nebraska and Oklahoma’s challenge to Colorado’s recreational cannabis legalization.

Letter from USPS general counsel directs postal carriers across country to report cannabis advertisements to law enforcement.

Napster founder Sean Parker has pledged to match all donations to the campaign to legalize recreational cannabis in California.

In the first report of its kind, researchers have found a link between frequent use of high-THC cannabis and signs of damage to a central part of the brain.

Despite the feds’ promise of a hands-off approach in states with legal cannabis use, a USPS memo is stoking confusion about newspaper advertising in the Northwest.

First-ever scientific studies show cannabidiol’s potential to reduce or eliminate epileptic seizures in children.

A California company hopes to address the concern of driving under the influence of cannabis by offering police a roadside test to check drivers for impairment.