Legalizing marijuana at the national level is generally popular with Americans — 57% of people say marijuana should be legal for both medical and recreational purposes, while 32% say it should be legal for medical use only, according to a January Pew survey.

COLUMBUS, Ohio — Sales of recreational marijuana will begin this week in Ohio as the state’s Division of Cannabis Control issues the first dual-use dispensary certificates of operation on Tuesday. This comes nine months after Ohio voters approved Issue ...

A urine test can detect THC for up to 30 days after use. THC is detectable in blood for the shortest time, up to 12 hours, but can stay longer in heavy users. Hair tests show THC use for the longest time, up to 90 days. The amount of time marijuana stays ...

Marijuana has been a hot topic for years, but one often clouded by misperceptions. Many turn to it as a perceived panacea, hoping it will address health issues or enhance their well-being if other options have fallen short. But what scientists are learning ...

President Donald Trump on Thursday signed an executive order directing Attorney General Pam Bondi to fast-track the rescheduling of marijuana as a Schedule III drug, a move that could bring swift and wide-ranging changes to Minnesota’s cannabis industry.

Lobbying, political donations and old-fashioned friendships went into persuading the famously sober president.