The public debate on cannabis is dominated by a tone of normalization—less stigmatization, more freedom of choice. The promise of a "natural" alternative to medicines. Meanwhile, science, although ...

The Justice Department reclassified marijuana as a Schedule III drug, a shift that affects research and taxes but not legalization ...

Marijuana use among teenagers is entering a new phase—one shaped not only by changing laws but also by shifting perceptions of risk. As legalization expands across the United States, researchers and ...

After years of backing the legalization of marijuana in the U.S., The New York Times changed course in an editorial published Tuesday. In the piece, entitled "It’s Time for America to Admit That It ...

Trump administration eases federal restrictions on medical marijuana, expanding research and tax relief without legalizing it nationwide.

The legalization of cannabis and the start of retail sales of the drug in the US are linked to both a rise in its recreational use and concurrent use of tobacco, as well as a fall in sole tobacco use, ...

A new study led by Marie-Pierre Sylvestre, professor at the Université de Montréal School of Public Health, examines cannabis use 4 to 5 years after Canadian legalization by adopting a different ...

While cannabis has recently come under fire for potential negative health risks, a recent study suggests that its use could increase brain volume and cognitive fitness. Researchers at the University ...

If you buy cigarettes anywhere in America, the pack will include a dire warning that “smoking causes lung cancer, heart disease, emphysema.” Smoking pot may do the same — but only three states of 24 ...