Cannabis dispensaries and delivery services across California and other states have reported a huge boost in sales over the past week.

For most of its history marijuana has been deemed not safe for work. But as attitudes and uses for marijuana change, some positive ripple effects are finding their way into the office.

Los Angeles County prosecutors are joining other district attorneys to use technology to wipe out or reduce as many as 66,000 old marijuana convictions years after California voters broadly legalized the drug. The county is working with the Code for America nonprofit tech organization, which uses computer algorithms to find eligible cases that are otherwise hard to identify in decades-old court documents. The group has offered its Clear My Record technology free to all 58 state district attorneys.

Mexico‘s Senate will vote for a bill to fully legalise marijuana in the next few days, a key lawmaker told Reuters, marking a major step towards changing the country’s approach to the drug by removing it as a source of income for violent drug gangs.

Heavy drinkers who also smoked cannabis were found to have a much lower chance of developing liver problems

Defining what this disease is and who has it has helped those investigating the outbreak understand what caused it.

Adults tend to use cannabis more frequently if they had elevated depressive symptoms in adolescence, but this does not appear to be the case among adults with a history of attention-deficit/hyperactivity disorder (ADHD), according to new research.

Democrat JB Pritzker says pardons represent first wave of thousands expected under state’s new marijuana legalization law

(Reuters Health) - Regular cannabis use has risen more quickly among people with...

The Canadian singer-songwriter’s citizenship application had been delayed because of his marijuana use

As the cannabis industry in the Caribbean continues to move forward at a rapid pace, the Bahamas is set to become the latest country to join the trend. Hubert Minnis, the country’s Prime Minister, received a long-awaited report from the Bahamas National Commission on Marijuana, which recommends legalizing adult use cannabis for people over the age of 21. And, after a national public education campaign, legalizing cannabis products for medical use from the age of 18. This report, sent to Minnis on January 21, has not been released to the public.

Age of onset of regular cannabis use is predictive of lower adult sleep duration, according to a new study published in the journal Drug and Alcohol Dependence. The findings suggest that trouble sleeping is one of the developmental consequences for early cannabis use.

In the 17th century, English travelers, merchants, and physicians were first introduced to cannabis, particularly in the form of bhang, an intoxicating edible which had been getting Indians high for millennia. Benjamin Breen charts the course of the drug from the streets of Machilipatnam to the scientific circles of London.

Cannabis appears to help induce sleep but it does not seem to promote sleep continuity, according to new preliminary research

Abby Martin takes a look at the real reason why hemp is illegal in the US, the truth might surprise you.

There was a time, back in the 1930s, when scientific data on marijuana was thin on the ground. This left us vulnerable to exaggerated anecdotal accounts of its harms, especially its supposed tendency to induce aggression or even insanity. Seven decades and hundreds of studies later, we no longer have an excuse for indulging the myth of “reefer madness.”

The German university city of Göttingen is being taken over by marijuana plants. Behind the phenomenon is a group of pro-pot activists who planted seeds around town to stir debate over the plant's illegal status. City authorities are not amused.

A bill has been introduced that would virtually eliminate all criminal penalties for minor marijuana offenses in Washington D.C.

One day, Colorado residents could be buying weed along with their organic produce, if Justin Hartfield successfully convinces the Boulder County Farmers Market to include a marijuana booth. Hartfield, the California founder of WeedMaps.com, got his inspiration from Seattle's NW Cannabis Farmers Market, which is made up of 20 to 30 growers that sell medical marijuana.

Mexico could legalize marijuana within the next five years, stripping brutal drug cartels of a major source of income, former President Vicente Fox said on Friday.