Gary Johnson: 'I've stopped using marijuana' during White House bid
© Greg Nash

Libertarian presidential candidate Gary JohnsonGary Earl JohnsonHillicon Valley: Social media struggles with new forms of misinformation | US, Russia decline to join pledge on fighting cybercrimes | Trump hits Comcast after antitrust complaint | Zuckerberg pressed to testify before global panel Ex-Facebook exec ousted from company sparked controversy with pro-Trump views: report Heinrich wins reelection to Senate in New Mexico MORE revealed on Thursday that he is abstaining from using marijuana while he runs for the White House.

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During an interview with USA Today, Johnson was asked how long it’s been since he's taken the drug.

"It's been about seven weeks," he responded, adding that he would not partake in the drug during his term if he’s elected. "I want to be completely on top of my game, all cylinders."

Johnson has long advocated for legalizing the drug, saying on Thursday that there is "an unbelievable disconnect" between politicians and the public on the issue.

"I haven't had a drink of alcohol in 29 years because of rock climbing and the notion of being the best that you can be, and in that same vein I've stopped using marijuana of any kind," he said earlier in the interview.