Health

QUEBEC — The Quebec government asked the federal government again on Wednesday to push back the marijuana legalization deadline by one year, one day before the province tables its own cannabis bill.

FORT MCMURRAY, Alta. — A judge says air ambulance service in the oilsands region in northeast Alberta is hobbled because helicopters can't land directly at the Fort McMurray hospital.

LONDON, Ont. — Police in London, Ont., are warning the public after learning two drug samples seized in the city have tested positive for the deadly opioid carfentanil.

TORONTO — Ontario's government has had a report in hand about mercury contamination upstream from the Grassy Narrows First Nation for more than a year, but the premier says she didn't see it.

WASHINGTON — U.S. health authorities have cleared a brain-stimulating device for patients suffering from debilitating withdrawal symptoms caused by addiction to heroin and other opioids.

HALIFAX — Lafarge Canada is seeking industrial approval to burn tires as fuel at a Nova Scotia cement plant.

LONDON — The new executive director of the Global Fund to Fight AIDS, Tuberculosis and Malaria says he is committed to ensuring the group is as transparent as possible about how its billions of dollars are spent to fight the three killer diseases.

OAKLAND, Calif. — Scientists for the first time have tried editing a gene inside the body in a bold attempt to permanently change a person's DNA to cure a disease. The experiment was done Monday in California on 44-year-old Brian Madeux.

TORONTO — Like many Canadians, Anne Van Burek had chickenpox as a child. But she never expected the virus that causes the itchy rash to come back to haunt her decades later.

LOS ANGELES — Delta Air Lines and Virgin Australia have stopped serving hot meals from Gate Gourmet at Los Angeles International Airport after listeria was found in the caterer's local kitchen.