A police investigation found a mix-up with the cakes led to 13 people needing medical treatment for dizziness and nausea.
The market for cannabis is exploding. You'll be able to do much more than smoke it over the next decade.
CBD oil derives from hemp, a cousin of marijuana in the Cannabis family. What is it, is it good for your health and why is it called the new wonder drug?
A "weed experiment" that could see cannabis that has been grown legally and tested for quality to be sold in Dutch "coffee shops" has moved one step closer to fruition, the country's health ministry has said.
The minister insisted Luxembourg wouldn't become a cannabis tourism hotspot, mainly because non-residents wouldn't be allowed to buy it.
A business in the UK is holding a contest to see who can roll the perfect spliff in the fastest time — the prize? A job.
Countries dragging their feet on applying relaxations on medical grounds and patients are suffering, say campaigners.