Baby circa 1945, Photo: George / Getty Images

"First came doctors’ warnings about cigarettes. Then came discoveries about the danger of secondhand smoke. Now, a growing number of scientists are raising the alarm about thirdhand smoke — residual chemicals left on indoor surfaces by tobacco smoke," the WashPost's William Wan reports.

Why it matters: "Public health advocates worry that those most vulnerable to the harmful effects of thirdhand smoke are also those who most likely to come into contact with it."

  • What it is: "[C]hemicals from tobacco smoke often linger on clothes, surfaces and even skin. ... Mounting research has shown such potentially hazardous residue can be absorbed through the skin, ingested and inhaled months and even years after the smoke has dissipated."
  • "A baby crawling on the ground ... has much more contact with carpets where cigarette residue often resides."
  • "And because of increasing socioeconomic disparities in smoking, low-income families are more likely to live in homes and neighborhoods where decades of smoking have led to thirdhand smoke accumulation."

Go deeper

15 hours ago - Health

15 states broke single-day coronavirus records this week

Data: Compiled from state health departments by Axios; Map: Danielle Alberti/Axios

At least 15 states broke their single-day novel coronavirus infection records this week, according to state health department data reviewed by Axios.

The big picture: The number of coronavirus cases increased in the vast majority of states over the last week, and decreased in only two states plus the District of Columbia, Axios' Andrew Withershoop and Caitlin Owens report.

Updated 16 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Aïda Amer/Axios

  1. Global: Total confirmed cases as of 3 p.m. ET: 11,143,945 — Total deaths: 527,681 — Total recoveries — 6,004,593Map.
  2. U.S.: Total confirmed cases as of 3 p.m. ET: 2,818,588 — Total deaths: 129,584 — Total recoveries: 883,561 — Total tested: 34,213,497Map.
  3. States: Photos of America's pandemic July 4 ICU beds in Arizona's hot spot reach near capacity.
  4. Public health: U.S. coronavirus infections hit record highs for 3 straight days.
  5. Politics: Trump extends PPP application deadlineKimberly Guilfoyle tests positive.
  6. World: Mexican leaders call for tighter border control as infections rise in U.S.
  7. Sports: 31 MLB players test positive as workouts resume.
  8. 1 📽 thing: Drive-in movie theaters are making a comeback.
16 hours ago - Health

In photos: America celebrates July 4 during global pandemic

Photo: Francine Orr/Los Angeles Times/Getty Images

The U.S. has already celebrated Easter, graduations and so much more during the coronavirus pandemic, and now it can add July 4 to the list.

The state of play: Axios' Stef Kight writes public parades and fireworks displays around much of the country are being canceled to prevent mass gatherings where the virus could spread. Hot-dog contests and concerts will play to empty stands and virtual audiences — all while American pride treads an all-time low.