Number of U.S. states in which cannabis is fully legal: 0 (Source: U.S. Controlled Substances Schedule).
Number of U.S. states in which FDA-approved Marinol (synthetic THC) is fully legal: 50 (Source: U.S. Food and Drug Administration).
Cost (in dollars) of 60 10-mg doses of Marinol at PrescriptionGiant.com: 1,624.89 (Source: PrescriptionGiant.com).
Typical number of joints in 1 ounce of medium-quality cannabis: 60 (Source: NORML).
Cost (in dollars) of 1 ounce of medium-quality cannabis at typical L.A. cannabis club: 340.
Sale price (in dollars) of Marinol patent-holder Solvay’s pharmaceutical division in September 2009: 6.6 billion.
Number of U.S. senators and representatives that Solvay’s “Better Government Committee” PAC helped finance in 2008 election cycle: 41 (Source: CampaignMoney.com).
Percentage of Americans surveyed in 2009 who supported marijuana legalization: 52 (Source: Zogby Poll).
Percentage of Americans surveyed in 2009 who opposed legalization: 37 (Source: Zogby Poll).
Percentage of Americans surveyed in 1979 who supported legalization: 27 (Source: CBS News).
Percentage of Americans surveyed in 1979 who opposed legalization: 69 (Source: CBS News).
Estimated number of registered medical-cannabis patients in California as of January 2009: 202,416 (Source: Marijuana Policy Project).
Estimated number of registered medical-cannabis patients in the U.S. as of January 2009: 577,712 (Source: MPP).
Number of California medical-cannabis patients per 1,000 state residents: 5.55 (Source: U.S. Census Bureau).
Estimated number of English slang terms for marijuana: 200 (Source: Martin Booth, Cannabis: A History).
Number of countries and territories where cannabis is grown: 172 (Source: 2008 U.N. World Drug Report).
Number of countries and territories in the world: 260 (Source: WorldAtlas.com).
Number of U.S. hemp plantations (with minimum acreage of 2,000 acres) in 1850: 8,327 (Source: U.S. Census Bureau).
Estimated number of products that can be made from cannabis hemp: 25,000-plus (Source: North American Hemp Council).
Number of U.S. presidents known to have smoked cannabis: 13 (Source: Spark Report).
Number of colonies among the 13 Colonies that grew cannabis hemp: 13 (Source: North American Industrial Hemp Council).
Number of U.S. states that have legalized medical-cannabis use: 13 (Source: Associated Press).
Number of U.S. states that saw declines in teen marijuana use after legalizing medical cannabis: 14 (Source: U.S. Youth Risk Behavior Surveys).
Number of U.S. states with pending medical-cannabis legislation or ballot measures: 14 (Source: ProCon.org).
Number of San Diego cannabis clubs raided and closed Sept. 10 by local, state and federal agents: 14 (Source: San Diego District Attorney’s Office).
Estimated number of distinct medical illnesses that can be treated with cannabis: 259 (Source: Dr. Tod H. Mikuriya).
Percentage of reduction through THC therapy of lung cancer tumor growth in 2007 Harvard study: 50 (Source: Science Daily).
Increased lung cancer risk among regular to heavy cannabis smokers in 2006 UCLA study: 0 (Source: Washington Post).