Possessing heroin, cocaine, meth and other drugs for personal use is no longer a criminal offense in Oregon. The idea is to get people with problem drug use help, not punishment.
Overseas evidence suggests cannabis law reform should favour caution and strict enforcement of the new rules.
In 2016, drug misuse was cited as the top concern among New Hampshire voters. What remedies are the Democratic primary contenders putting forward to combat the opioid crisis?
If the Tories do go liberal on pot, they should learn the lessons from the regulation of tobacco and alcohol.
A researcher who fled crime-beset Mexico returns to interview the drug cartels behind so much of the violence, asking 33 'narcos' everything about their lives, from birth to their latest murder.
From colonial poppy fields to pharmatrash, southern Africa offers a fascinating history of drug regimes – one that helps us make sense of drug policies and legislation today.
There are proven ways to reduce drug deaths in the UK. But the government is ignoring them.
Muslims make up 9% of France's population and half of all its prisoners – many convicted on drug charges. But social justice isn't part of the country's growing debate on legalization.
There are better ways to deal with drug possession (for personal use) than putting the person behind bars.
The conviction of Mexican drug kingpin Joaquín Guzmán Loera, who evaded justice in Mexico, is a win for US officials. But it's a pyrrhic victory in the war on drugs.
There are many ways to reduce harm from drugs at music festivals beyond the much publicised pill testing. Here's what else we can do.
One in ten cannabis users are dependent on the drug, according to some estimates.
The law on medicinal cannabis in the UK changed. Not that you'd notice.
Most people assume drugs are illegal because they are dangerous, but the reasons aren't related to their relative risk or harm.
With its tales of bloody violence, corruption, international trade and entrepreneurial innovation, Guzmán's trial offers a telenovela-style explainer on Mexican cartels and their American clients.
Two-thirds of all US states now have some kind of legal pot, and support for legalization has never been higher. But ballot initiatives can only take legalization so far, researchers say.
Midterm voters in Utah, Missouri, Michigan and North Dakota will decide whether to join the 31 US states that have some form of legal marijuana. But ballot initiatives can only take pot so far.
Court ruling may well undo decades of often racist cannabis law enforcement.
Canadian drug policy began to take shape well before anti-immigration attacks on Chinese establishments in 1908. Drugs like opium and coke were causing grave public health concerns.
Medical cannabis challenges scientific norms and the usual regulation of medicines.