Photo: John Keeble/Getty Images

"Twice as many high school students used nicotine-tinged electronic cigarettes this year compared with last year, an unprecedented jump in a large annual survey of teen smoking, drinking and drug use," AP's Mike Stobbe reports.

Why it matters: The federally funded University of Michigan survey of 45,000 students in grades 8, 10 and 12 "found 1 in 5 high school seniors reported having vaped nicotine in the previous month. ... It was the largest single-year increase in the survey's 44-year history, far surpassing a mid-1970s surge in marijuana smoking."

"After vaping and alcohol, the most common thing teens use is marijuana."

  • "About 1 in 4 students said they'd used marijuana at least once in the past year."
  • "1 in 17 high school seniors said they use marijuana every day."

"More teens, however, are saying no to lots of other substances."

  • "Usage of alcohol, cigarettes, cocaine, LSD, ecstasy, heroin and opioid pills all declined."

"One leading theory is that kids today are staying home and communicating on smartphones rather than hanging out and smoking, drinking or trying drugs."

Go deeper: A surge in youth vaping is driving the FDA's crackdown

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Trump tightens screws on ByteDance to sell Tiktok

Illustration: Aïda Amer/Axios

President Trump added more pressure Friday night on China-based TikTok parent ByteDance to exit the U.S., ordering it to divest all assets related to the U.S. operation of TikTok within 90 days.

Between the lines: The order means ByteDance must be wholly disentangled from TikTok in the U.S. by November. Trump had previously ordered TikTok banned if ByteDance hadn't struck a deal within 45 days. The new order likely means ByteDance has just another 45 days after that to fully close the deal, one White House source told Axios.

Updated 39 mins ago - Politics & Policy

Coronavirus dashboard

Illustration: Aïda Amer/Axios

  1. Global: Total confirmed cases as of 9:30 p.m. ET: 21,056,850 — Total deaths: 762,293— Total recoveries: 13,100,902Map.
  2. U.S.: Total confirmed cases as of 9:30 p.m ET: 5,306,215 — Total deaths: 168,334 — Total recoveries: 1,796,309 — Total tests: 65,676,624Map.
  3. Health: CDC: Survivors of COVID-19 have up to three months of immunity Fauci believes normalcy will return by "the end of 2021" with vaccine — The pandemic's toll on mental health — FDA releases first-ever list of medical supplies in shortage.
  4. States: California passes 600,000 confirmed coronavirus cases.
  5. Cities: Coronavirus pandemic dims NYC's annual 9/11 Tribute in Light.
  6. Business: How small businesses got stiffed — Unemployment starts moving in the right direction.
  7. Politics: Biden signals fall strategy with new ads.

Harris: "Women are going to be a priority" in Biden administration

Sen. Kamala Harris at an event in Wilmington, Del. Photo: Drew Angerer/Getty Images

In her first sit-down interview since being named Joe Biden's running mate, Sen. Kamala Harris talked about what she'll do to fight for women if elected VP, and how the Democrats are thinking about voter turnout strategies ahead of November.

What they're saying: "In a Biden-Harris administration women are going to be a priority, understanding that women have many priorities and all of them must be acknowledged," Harris told The 19th*'s Errin Haines-Whack.