In 13 states, a doctor’s note will get you a “prescription” to puff.
Approximate number of years since the Ebers Papyrus, an Egyptian medical textbook, described the use of cannabis for medicinal purposes
Weeks per month during which Queen Victoria steeped cannabis in her tea to calm menstrual pains
Approximate number of conditions, including cancer, multiple sclerosis and Alzheimer’s disease, for which the medicinal use of cannabis has been studied; though chiefly known for easing pain, it also suppresses nausea and may help protect the central nervous system.
Approximate number of scientific studies published in 2007 on the National Library of Medicine’s PubMed Website on medicinal uses of cannabinoids, the active substances in cannabis plants
Number of states that allow the medicinal use of cannabis, including Michigan, whose citizens voted for legalization in 2008
Number of prescriptions written for marijuana each year; because it is classified as a Schedule I controlled substance by the federal government, physicians in states where medical marijuana is legal may only recommend it to their patients.
Number of pages in an application to open a cannabis club, a dispensary protected by state medical marijuana laws, in San Francisco
Number of Californians who are card-carrying “doctor qualified” cannabis users