Marriage equality supporters in 2006 probably had no idea the law they advocated would spur innovation.
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Inventors in states with more socially liberal laws on the books end up with more diverse collaborators – and more higher-impact patents.
Marijuana decriminalization won’t end arrests.
Decriminalizing medical and recreational marijuana may exacerbate racial inequality within the criminal justice system, among other things.
Bill Blazina, 73, uses a high-potency marijuana oil as a medical marijuana patient, but he can’t afford it at a recreational marijuana store.
AP Photo/Gillian Flaccus
Pot taxes will change the ability of some to purchase recreational marijuana.
More states are giving marijuana the green light.
Before marijuana was legalized, people argued over how it would affect taxes, crime and teens. But only now is there enough data to settle some of these debates.
It’s very difficult to separate anxiety and fear from the experience of pain linked with actual physical damage.
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Life without pain might seem like a blessing. But pain plays an important role in protecting our bodies from further damage.
Governments worry that medical cannabis tax exemptions could tempt recreational users. Some might seek prescriptions to save money. Eliminating taxes on medical purchases of only cannabis oil could work as a compromise.
With cannabis, governments must balance taxing legal sales versus competing with illegal ones.
Assorted cannabis bud strains.
Marijuana is known for delivering a good high. But the plant's uses go well beyond the recreational. Marijuana contains a trove of medicinal compounds whose uses we are just now discovering.
A man holds up a joint during a 2017 rally to support the legalization of marijuana in Washington, D.C.
AP Photo/Alex Brandon
As politically polarized as the country may seem, when it comes to marijuana, Americans across the spectrum have changed their minds. A new study says it's all thanks to the media.
A depiction of a cannabis bud drops from the ceiling at Leafly’s countdown party in Toronto as midnight passes and marks the first day of the legalization of cannabis across Canada.
(Chris Young/The Canadian Press)
Government data suggest medical cannabis availability improved after legalization in Canada. But producers have struggled to meet demand for recreational cannabis other than oils.
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.