Smoking cannabis has been linked with schizophrenia – and 94% seized in Britain in 2016 was of the high-potency variety.
Canada is legalizing marijuana on July 1. But how the drug became criminalized in the first place is an interesting saga that involves anti-Chinese racism and international influence.
The first UK survey of cannabis potency in ten years finds that skunk now dominates the market, while hashish has all but disappeared.
Cannabis use among the baby boomer generation is on the rise, here's why.
In competing with Canada's black markets, legal cannabis has potential strengths and weaknesses. Most flow directly from governments' policy choices.
LSD is far safer than alcohol or tobacco, so why don't drug laws reflect it?
Why bother chasing big drugs operations when it makes no difference? Here are three reasons.
Scientists are beginning to understand why certain drugs and musical genres are natural partners.
Will offices, construction sites and medical clinics become less safe after marijuana legalization in Canada this summer? Our experts review the evidence, or lack of it.
The promised marijuana legalization date of July 2018 is approaching fast. Many outstanding regulatory issues -- such as online sales and occupational health and safety -- pose urgent challenges.
Cannabidiol shows promise in treating psychosis in a placebo controlled trial.
The legal cannabis industry will have to develop scientific research and evidence based growth methods and technology if it is to succeed against the secretive illicit industry.
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.
Parents can help protect their kids from cannabis abuse by openly discussing the health risks, the pleasures and the responsible ways to use the drug.
Lucrative cannabis plantations have been a magnet for illegal migrants.
Many hope that marijuana will help their insomnia. A sleep psychologist examines the evidence.
More Australians over 50 are drinking and taking drugs than ever before. Here's why that can be a problem.
Harnessing the medicinal benefit of the body’s own cannabis-like substances may provide an alternative to medicinal marijuana.
As Canada moves towards legalization of cannabis in 2018, there is growing evidence of the drug's potential to treat opioid addiction itself, as well as the chronic pain that often drives it.
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.