A tumultuous decade in politics saw everything from the presidency and reelection of the first black president to the rise of the Tea Party and the improbable election of Donald Trump as president.
Researchers at the University of Pittsburgh have developed the latest tool to detect THC — the main psychoactive ingredient in marijuana — in a person's breath.
The state becomes the 11th in the country to legalize recreational pot. The Illinois law, which goes into effect on Jan. 1, also expunges the criminal records of some 800,000 past offenders.
A provision in the state's new law making recreational pot legal as of Jan. 1 allows people with marijuana-related convictions to ask the courts to clear their records or reduce their charges.
A new Gallup poll shows that support for legalizing pot is at an all-time high. Nearly two-thirds of Americans are in favor, as well as 51 percent of Republicans, the highest ever.
The government of Canada has introduced legislation to allow adults to possess, share and purchase marijuana, while also strengthening penalties for those who give or sell the products to youth.
The National Academies of Sciences, Engineering and Medicine sorted through 10,000 studies to determine the good and bad health effects of marijuana. Tight drug restrictions impede research, they say.
PHOENIX (AP) — The latest major donation to the campaign against legal recreational marijuana in Arizona comes from Las Vegas casino owner Sheldon Adelson, who donated $500,000 last week.
The state legalized marijuana at the start of 2014 for anyone 21 or older. An increasing rate of Latino and black youths were arrested for violating that age limit, even as the white arrest rate fell.
Blood alcohol levels match well with a person's impairment. But the THC in marijuana doesn't move around the body the same way, so blood tests can miss people who are stoned.
Does legalization of marijuana mean more drivers will have the drug in their system? New data from Washington state says yes, but does that mean pot has caused more accidents? The answer is not clear.
In Washington and Oregon, local governments argue they should get more tax funds from marijuana, because legalized pot will increase their expenses. States say cities' costs will actually fall.
Law enforcement in Nebraska towns near the Colorado border are reporting a jump in pot-related offenses. Legalization next door, they say, is creating burdensome consequences they never asked for.
