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Exposure to vaping products — through friends, endorsements on social media or branded merchandise — makes students much more likely to vape, according to a study published in JAMA on Wednesday.

Driving the news: The study was published the same day Massachusetts Attorney General Maura Healey sued Juul, saying its early marketing campaign targeted teenagers with celebrity endorsements and ads on popular sites.

Between the lines: The JAMA study, which polled more than 4,000 students in New Jersey, confirmed that Juul is especially popular with teens.

  • Nearly 90% of high school e-cigarette users said they had used a Juul product in the past 30 days.

Go deeper: Juul's very bad, no good rotten year

Go deeper

Updated 5 mins ago - Sports

Olympics dashboard

🚨: Japan's Naomi Osaka lights Olympic cauldron; Photos

👻: How the no-spectator Olympics could affect the athletes

🇺🇸: "What an honor it is to watch you soar," first lady tells U.S. Olympians

🌏: Meet the underdogs from Latin America

🥇: The six new sports at Tokyo 2020

💉 About 100 U.S. Olympic athletes are unvaccinated

✍️ Axios at the Olympics: What it's like inside the opening ceremony

Go deeper: Full Axios coverage

Senate Democrats demand answers on FBI's Kavanaugh probe

Photographer: Andrew Harrer/Bloomberg via Getty Images

Senate Democrats are demanding that the FBI hand over "all records and communications" related to the FBI tip line set up to investigate Supreme Court Justice Brett Kavanaugh when he was a nominee in 2018.

Why it matters: The ask comes after the FBI revealed it received more than 4,500 tips about Kavanaugh when he was awaiting Senate confirmation amid sexual assault allegations. Only the most "relevant" of these tips were forwarded to the Trump White House.

Chip relief on the horizon

Illustration: Sarah Grillo

Good news: The worst of the chip supply crunch might be near.

The other side: Here's the bad news... CEOs say chips totally flowing like normal is still a ways out.

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