Teen pot use is exploding in New York after years of decline — just three years after the Empire State legalized marijuana in ...

PET imaging has revealed the first evidence in humans of changes in brain chemistry among people who use both substances.

CU Boulder researchers studied cannabis-psilocybin co-users and cannabis-only users to look for similarities and differences between the two groups, including drug-use motivations In November 2022, ...

In November 2025, the funding law signed to reopen the U.S. federal government after a lengthy shutdown contained a provision ...

Scientists found that people who use both cannabis and tobacco show a distinct brain pattern tied to mood and stress ...

President Trump recently confirmed that his administration is considering reclassifying marijuana as a less dangerous drug, ...

Older Americans are using marijuana at record levels as legal cannabis becomes more prevalent for medical and recreational purposes, according to a new analysis from researchers at New York University ...

Using cannabis could make changes to your body's epigenetic code, research has discovered. The findings, which were published in a study in 2023, suggest that using marijuana in any way can affect the ...