Most of the nearly 2,300 people who suffered lung damage had vaped liquids that contain THC, the high-inducing part of marijuana.
By Mike Stobbe, Associated Press
As marijuana has been legalized in states across the country, investors have identified a major business opportunity. Still, the cannabis market isn’t all easy money. In California, new companies are scaling up operations, but some smaller ones fight to survive,…
By Paul Solman
As national attitudes and laws around cannabis use have evolved, so have the commercially grown strains of the plant. Some marijuana varieties today contain levels of THC, the drug’s psychoactive compound, as high as 50 percent, compared to around 5…
By Miles O'Brien
Now legal in eight states, there are unanswered questions about the impact of recreational marijuana on public health. To maximize potency, pot can be purified for maximum THC, its psychoactive ingredient. But a lack of research and restrictions on these…
By PBS NewsHour
By Kristen Wyatt, Associated Press
Business owners are replacing idealists in the pot-legalization movement as the nascent marijuana industry creates a broad base of new donors.
By Catherine Woods
Virtual reality is shedding light on the dangers of driving stoned.
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