Students rolling a joint in a classroom. Marijuana may not lead them to other drugs, a study suggests.
Parents of teens often worry about marijuana use and whether it might lead to other drugs or behavioral problems. A recent study suggests it doesn't, but that there are real dangers to be aware of.
Sen. Joe Manchin, a Democrat, was re-elected in West Virginia, where voters cited health care as a major concern.
Tyler Evert/AP Photo
Voters listed health care as one of their biggest concerns in the midterm elections. Were their concerns addressed? The results are mixed.
Has marijuana legalization reached a tipping point?
AP Photo/David Dermer, File
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.
Utah residents show support for a ballot initiative that would legalize medical marijuana in the state.
AP Photo/Rick Bowmer
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.
Since California passed the first medical marijuana law in 1996, 30 US states and the District of Columbia have legalised medical marijuana.
People opposing medical marijuana are often concerned about increased crime rates, but analysis of city-level data across the US found medical marijuana laws have little effect on crime.
A parade of bar men protest Prohibition along Yonge Street in Toronto in 1916.
Library and Archives Canada
History has shown that prohibiting popular intoxicants spurs illegal and sometimes excessive use. Ontario municipalities taking up Doug Ford's offer to ban local retail weed sales should take note.
Workers produce medical marijuana at Canopy Growth Corporation’s Tweed facility in Smiths Falls, Ont., in February 2018. The company wants a a “greenhouse outlet” to sell its products.
THE CANADIAN PRESS/Sean Kilpatrick
Provincially owned cannabis retailers have a lot to do before cannabis goes on sale in Canada on Oct 17.
Small vials of CBD, an ingredient in a drug just approved by the FDA to treat two types of epilepsy..
A drug made from a molecule produced from cannabis gained approval from the FDA on June 25. But the molecule, CBD, is decidedly different from some other ingredients in cannabis: It doesn't result in a high.
Expert fact checks claim that cannabis cures cancer.
Small vials of CBD, which some believe could be a cure for many ailments.
A drug made from a molecule produced from cannabis gained unanimous approval from an FDA panel. But the molecule, CBD, is decidedly different from some other ingredients in cannabis: It doesn't result in a high.
Marijuana varieties on display in a California dispensary.
AP Photo/Mathew Sumner
Medical marijuana? Recreational marijuana? Both or neither? Here's a quick guide to the topsy-turvy landscape for marijuana regulation in the US.
Former drug and alcohol doctor Di Natale says the ‘tough on drugs’ approach causes enormous harm.
Dealing with cannabis is basically a state matter but the Greens propose an Australian Cannabis Agency be set up to bring together state and territory governments, experts and regulators.
‘Don’t mind me dear, I’ve got joint problems.’
Cannabis use among the baby boomer generation is on the rise, here's why.
Lack of clear evidence on impairment from cannabis use has led to vastly different workplace policies. Police officers in Ottawa and Vancouver face no restrictions on their off-work use of cannabis as long as they are fit for duty, officers in Calgary have been banned from use and in Toronto they face a 28-day abstinence period.
Will offices, construction sites and medical clinics become less safe now that marijuana is legal in Canada? Our experts review the evidence, or lack of it.
A still from the 1936 propaganda film ‘Reefer Madness.’
Research from the last few decades suggest marijuana helps more than it harms. But Jeff Sessions' proposed crackdown would take us back nearly a century.
Patients in 29 states can legally use medical marijuana to treat their symptoms.
Patients in 29 states rely on medical marijuana to treat pain, nausea, seizures and other ailments. But all that could change.
Marijuana brand name stickers are visible as customers line up at the counter in CannaDaddy’s Wellness Center marijuana dispensary in Oregon in April.
(AP Photo/Don Ryan)
There's a strong case for governments to allow cannabis producers to brand their products via packaging and advertising like any other product. It could boost quality and consumer satisfaction.
Results may vary.
Many hope that marijuana will help their insomnia. A sleep psychologist examines the evidence.
Thousands of South Africans are calling for the legalisation of marijuana.
If South Africa's argument in court is that marijuana causes harm, it deserves to lose. The real question it should ask is whether criminal prohibition is the effective way forward.
This is what a marijuana plant, growing legally in Colorado, looks like.
The federal government outlaws marijuana, but many states are legalizing it. Coupled with the growing number of cannabis-related patents, the potential for court battles is dizzying.