Federal Cannabis Law in the United States
Cannabis remains a Schedule I controlled substance under U.S. federal law, despite widespread state legalizati...
Federal Employment Drug Testing Rules
How U.S. federal drug testing rules treat cannabis for federal employees, contractors, and safety-sensitive wo...
Federal Immigration Consequences of Cannabis
Why cannabis use, work, or possession can still derail green cards and visas even in states where it is fully...
Gonzales v. Raich (2005)
The Supreme Court case that ruled federal cannabis prohibition applies even to homegrown medical marijuana und...
HUD Housing and Cannabis Use
Why federally subsidized housing residents can be evicted for cannabis use even in states where it's legal.
INCB Cannabis Reports
The International Narcotics Control Board's annual assessments shape — and often constrain — how countries ref...
Off-Duty Cannabis Use Protections
A growing patchwork of U.S. state laws shields some workers from being fired or refused jobs for legal off-the...
Per Se DUI Thresholds for THC
How U.S. states set blood-THC limits for driving, why those numbers are scientifically contested, and what the...
Rhode Island Medical Cannabis Qualifying Conditions
The conditions that qualify a Rhode Island patient for a medical marijuana card, the legal basis, and how the...
Robinson v. California (1962)
The Supreme Court case that held states cannot criminalize the mere status of being a drug addict under the Ei...
Safety-Sensitive Position Carve-Outs
How state cannabis employment protections exclude workers in jobs where impairment could cause serious harm to...
Schedule I and Cannabis
Cannabis has been a U.S. federal Schedule I controlled substance since 1970, though a formal rescheduling prop...
Section 280E of the Internal Revenue Code
The federal tax provision that bars cannabis businesses from deducting ordinary expenses, often producing crus...
TTB and Cannabis-Infused Beverages
How the U.S. Alcohol and Tobacco Tax and Trade Bureau treats THC, CBD, and hemp-derived ingredients in beverag...
UN Drug Treaties and Cannabis
How three international conventions shaped global cannabis prohibition, and what the 2020 WHO rescheduling act...
United States v. Oakland Cannabis Buyers' Cooperative
The 2001 Supreme Court decision that rejected a medical necessity defense to federal cannabis distribution cha...
Workplace Cannabis Testing Rights
An overview of employee and employer rights around cannabis drug testing in the United States, with major stat...