A new study demonstrates that many regular marijuana users exceed legal blood cannabis limits for U.S. drivers despite showing no evidence of impairment. The findings, published today in the ...

Nearly all available products would have to be removed from shelves, including edibles, beverages, and smokable forms of hemp ...

A spending deal to reopen the federal government includes language that would severely restrict the hemp-derived THC products ...

We also found that states that legalized recreational marijuana earliest (for example, in the early 2000s) experience larger decreases in opioid deaths.