Why the latest news on marijuana and car crashes has some experts skeptical

What marijuana legalization did to car accident rates

Study: College students using more marijuana

More people are voluntarily seeking help for marijuana addiction

Use cannabis for relaxation? You may want to reconsider

Marijuana extract helps some kids with epilepsy, study says

Report: Medical marijuana could poach more than $4B from pharma sales annually

Companies need workers — but people keep getting high

Study: Most Minnesota medical marijuana users report benefits

Study: Does marijuana actually help memory in old age?