THC

Stocks enter a busy week for earnings news with two perplexing questions hanging over the market.

As marijuana legalization spreads across U.S. states, so does a debate over whether to set pot policy by potency.

Dr. Erica Wymore of Children’s Hospital Colorado authored a study that found THC, the chemical that gets cannabis users high, can linger in breast milk for 6 weeks or more after a mother stops using the drug. The impact on newborns is still hard to study.

It looks like a beer, clinks like a beer and tastes similar to a beer, but it gets its buzz from cannabis. Last week, for the first time, a new type of Pumpkinhead, typically brewed by Shipyard as an autumnal libation, came off the line at Maine-based Novel Beverage. Under an agreement reached with Innovative Liquid Solutions to use...

A local company in Portland, Maine creates a cannabis-infused beer.

A new federal report shows vaping rates among U.S. teenagers fell dramatically this year, especially among middle school students

At least five children ate candy containing high THC doses after the Utah Food Bank distributed it as part of their food donations, police said.

Health officials now blame vitamin E acetate for the “vast majority” of cases in the U.S. outbreak of vaping illnesses and they say doctors should monitor patients more closely after they go home from the hospital. The Centers for Disease Control and Prevention announced the updated advice Friday. And, in a related move Friday, authorities investigating how patients obtained...

As health officials scrutinize marijuana vaping, it’s increasingly on law enforcement’s radar, too. From New York City to Nebraska farm country to California, authorities have seized at least 510,000 marijuana vape cartridges and arrested more than 120 people in the past two years, according to an Associated Press tally derived from interviews, court records, news accounts and official releases. A…