Special report: A guide to 420-friendly travel

Forbidden medicine: Caught between a doctor’s CBD advice and federal laws

New wave of marijuana dispensaries planned in San Diego

California cannabis businesses urged to get boring by following basic rules

Cannabis class promises to teach secrets of successful home growing

Law enforcement officials not happy with marijuana ‘sanctuary state’ proposal

More people are voluntarily seeking help for marijuana addiction

California may start with $5 billion legal-marijuana market, study finds

As marijuana debate continues, a girl’s life is changed

How should businesses deal with recreational pot use?