Increasing evidence is linking cannabis use in teens with depression, but whether one causes the other is still unclear.

Drug cartels in Latin America are now making more money from synthetic drugs like fentanyl than the illicit substances the continent is best known for, like cocaine and marijuana.

Only cannabis containing over 0.2% of the psychoactive ingredient THC remains illegal. The intent behind the move is to promote use of cannabis for medicinal purposes and build an industry around such products.

Mexicans will soon be able to apply for permits to use marijuana recreationally. The move could help create one of the largest legal markets for cannabis.

Mexico is legalizing the recreational use of cannabis, not least to curb rampant drug-related violence and crime in the country. Can it work?

Mexico's lower house of Congress has passed legislation that would legalize the recreational use of marijuana. Proponents believe the bill could help lessen the influence of the country's powerful drug cartels.

Mexico's lower house of Congress voted Wednesday in favor of legalizing recreational marijuana use.

Marijuana becomes legal in Illinois, the largest US midwestern state, as 2020 is rung in with shops opening at 6 am to support what is expected to be a record turnout for recreational cannabis. "I think this is groundbreaking," Jackie Ryan tells AFP after completing her first purchase at Sunnyside dispensary. "Finally, Illinois is following suit with other states and it's just really exciting."

A US government lab study confirmed that vitamin E acetate is likely behind a wave of vaping illnesses and deaths. Most of the cases involved black market marijuana vaping products.

With a full house and people waiting outside, California's Lowell Farms: A Cannabis Café on Tuesday became the first business in the United States with the license to sell food, beverages and products based on or derived from marijuana, which visitors may also smoke within the premises.

Marijuana stocks including Aurora Cannabis Inc. jumped in Toronto after BNN Bloomberg TV reported Diageo Plc is holding discussions with at least three Canadian cannabis producers about a possible deal.

There’s a new green monster in town: Legal recreational marijuana sales are about to hit the East Coast for the first time -- a possible tipping point for the surging, multi-billion dollar weed industry.