There are many theories about why 4/20 was chosen as the date to celebrate, and some are much more credible than others.
Researchers at the University of Queensland concluded that cannabis use after age 30 can have adverse affects on relationships and life satisfaction.
Arkansas, California, Louisiana, Oregon, Montana, and Vermont will all see new marijuana laws enacted in 2022.
Dozens of cannabis officials and advocates said regulations and taxes are harming the industry as it tries to compete with a cheaper, larger illegal market.
The family of Jonathan Wall, jailed as he awaits trial on federal marijuana conspiracy charges, took out a full-page ad in The Washington Post.
On top of the stipend, up to five "cannabis effects specialists" will be given all their weed and smoking equipment.
New studies from IIHS and HLDI show that there is a correlation between marijuana legalization and car accident rates in the immediate aftermath of legalization legislation taking effect.
"We will no longer include marijuana in our comprehensive drug screening program for any positions not regulated by the Department of Transportation," Clark said in a blog post on Amazon's website.
More and more Americans have realized that cannabis' criminalization has been deeply racist from the beginning.
Marijuana sales reached $908 million in the year following the legalization of recreational cannabis, but online shops and retail stores accounted for only around 15 percent of the total sales.
While the CDC has yet to figure out what's causing vaping-related deaths, other federal wings are trying to get ahead of a separate but related "national health experiment": old-fashioned Mary Jane, be it vaped or smoked.
Unlike clandestine laboratories and street dealers, legal businesses can't hide from our customers, our regulators and the press if we were to produce dangerous products.
The drug could reduce men's sperm count and delay or prevent ovulation in women, research suggests.
Both sides of the debate about combining yoga with cannabis claim there's ancient proof. But each practitioner's decision is his or her own.
In legal cannabis states, it's often the folks renting out warehouses who are making the most money in a booming business.
Although Australia does allow medical marijuana in certain cases, the application procedure is long and tedious.
But will the government allow the industry to flourish?
Across the state, about 4,900 Californians have filed petitions asking to have their records wiped of cannabis convictions.
With federal legalization, there would be 782,000 jobs created immediately, a report said.
Police suggested they needed more time for training.