A Seattle man suspects the medical marijuana he smoked made him sick, but the state was unwilling to help him find out.

The line between legal medical marijuana providers and illegal operations has been blurry every since the passing of the Oregon Medical Marijuana Act of 1998, and online advertising of the drug is adding to the problem.

A raid on a medical marijuana operation in Jackson County has left some Eugene patients without their medicine.

Hurtling down I-84 with a bag of medical marijuana and no legal right to possess it, the 23-year-old Idaho man with the crooked grin drove out of Oregon, making a break for home.

Hundreds of out-of-staters who each year make an unusual pilgrimage to Oregon — the only state in the country to issue medical marijuana cards to non-residents.

When police knocked on Josh Brewer's door to check for marijuana, even one of the nation's most liberal medical marijuana laws was put to the test.

Some Oregon law enforcement officers argue that charging membership fees to belong to a medical marijuana club is the equivalent of selling the drug, and say more busts like this one are likely to come

Medical marijuana has taken root in this idyllic town like nowhere else in Oregon.

A drug trial in Grants Pass has opened a rare window into the dark side of a large-scale medical marijuana operation.

It is springtime on The Farm, a cooperative in the heart of Applegate Valley wine country that will grow some 200 plants to supply about 70 card-carrying medical marijuana users.