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Photo: Rapeepong Puttakumwong/Getty Images

A New York University study has identified a pattern of lung cancer in mice exposed to the same amount of e-cigarette vapor as someone who's been using e-cigs for approximately three to six years.

The big picture: As vaping deaths and illnesses rise, the medical community and health regulators are increasingly concerned about the unknown effects of e-cigarette use. While e-cigs were originally meant to help cigarette users ween off smoking as a whole, vaping has dramatically increased in popularity in recent years, especially among young people.

By the numbers: The study exposed 40 mice to vapes with nicotine for 54 weeks. Out of that population:

  • 22.5% developed lung cancer
  • 57.5% developed pre-cancerous lesions in their bladders
  • Meanwhile, 20 separate mice who were exposed to vapes without nicotine were cancer free

What they're saying:

"E-cigarette vaping can cause lung cancer and pre-cancer changes in bladder in mice. The carcinogenic mechanism is via production of nitrosamines, the proven human carcinogens. So, the probability that e-cigarette vapor is a human carcinogen is high."
— Moon-Shong Tang, the study's lead professor, told Axios.

Go deeper: GOP allies warn vaping ban will sink Trump in 2020

Go deeper

Ben Geman, author of Generate
6 hours ago - Energy & Environment

Key clean power provision likely won't survive in Dems' spending bill

A construction worker walks along a dirt road at the Avangrid Renewables La Joya wind farm in Encino, New Mexico, on Aug. 5, 2020. Photo: Cate Dingley/Bloomberg via Getty Images

A pillar of Democrats' plans to speed deployment of zero-carbon electricity is likely to be cut from major spending and tax legislation they are struggling to move on a party-line vote, per multiple reports and a Capitol Hill aide.

Driving the news: The New York Times, citing anonymous congressional aides and lobbyists, reports that West Virginia Sen. Joe Manchin (D) has told the White House he "strongly opposes" the Clean Electricity Performance Program.

Updated 8 hours ago - World

Fatal stabbing of British MP David Amess declared a terrorist incident

Police outside Belfairs Methodist Church in Leigh-on-Sea, England, on Oct. 15. Photo: John Keeble/Getty Images

Authorities have declared the death of David Amess a terrorist incident, hours after the Conservative Party lawmaker in the U.K. was fatally stabbed while meeting with local constituents in a church in eastern England on Friday.

The big picture: The Metropolitan Police has found "a potential motivation linked to Islamist extremism."

Biden: DOJ should prosecute those who defy Jan. 6 subpoenas

President Biden speaks with reporters at Bradley International Airport in Windsor Locks, Connecticut. Photo: Brendan Smialowski/AFP via Getty Images

President Biden said Friday that the Justice Department should prosecute those who defy subpoenas from the Jan. 6 select committee.

Why it matters: The president's remarks come one day after Donald Trump ally Steve Bannon failed to show up for a deposition before the committee.