Science
Gas stoves may contribute to early deaths and childhood asthma, new Stanford study finds
Lung-irritating pollution created by cooking with gas stoves may be contributing to tens of thousands of premature deaths and cases of childhood asthma in the United States, according to a new study published in the journal Science Advances.
For decades, scientists have known the flames from a gas stovetop produce nitrogen dioxide, a pungent gas that can inflame a person’s lungs when inhaled. But for the first time, a team of researchers from Stanford University and Oakland-based research institute PSE Healthy Energy published a nationwide estimate of the long-term health consequences associated with cooking with natural gas and propane stoves.
Researchers concluded that exposure to nitrogen dioxide emissions alone may contribute to nearly 19,000 premature deaths in the United States each year. It has also resulted in as many as 200,000 current cases of pediatric asthma compared with cooking with electric stoves, which do not produce nitrogen dioxide.
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Stanford researcher Yannai Kashtan noted higher levels of pollution were correlated with the amount of gas that was burned. But pollution also accumulated at higher levels inside smaller homes.
“If you live in a smaller house, you’re exposed to more pollution, and that can lead to income and racial disparities in exposure,” Kashtan said. “In general, folks living in neighborhoods with higher levels of outdoor pollution also tend to have higher indoor pollution. So this environmental injustice extends indoors as well.”
The American Gas Assn., a trade organization representing more than 200 local energy companies nationwide, dismissed the findings as “misleading and unsupported.”
“Despite the impressive names on this study, the data presented here clearly does not support any linkages between gas stoves and childhood asthma or adult mortality,” the association’s president and CEO, Karen Harbert said in a statement earlier this month.
The study is the latest examining the serious health effects associated with breathing fumes from gas stoves, which release planet-warming carbon emissions and a variety of air pollutants. In recent years, the popular household appliance has become a political hot-button issue as policymakers and regulators have weighed environmental impacts against consumer choice.
Many large cities in California, including Los Angeles, have moved toward phasing out gas stoves in newly constructed residences. Earlier this month, the California Assembly advanced a bill to the Senate that would require gas stoves to come with warning labels detailing the pollution and health effects that can arise from cooking with gas.
Gas stoves emit a variety of pollutants, including asphyxiating carbon monoxide, cancer-causing formaldehyde and benzene. The flame also creates nitrogen dioxide, a precursor to smog and a pollutant that can cause difficulty breathing.
Environmental groups say consumers should be notified about these pollutants and the potential harm they can cause.
“Gas stoves create pollution in our homes, increasing the risk of childhood asthma and other respiratory problems for our families,” said Jenn Engstrom, state director for California Public Interest Research Group. “However, this risk has largely been hidden from the public. Consumers deserve the truth when it comes to the danger of cooking with gas. Warning labels will give consumers what they need to make informed decisions when they purchase appliances for their homes.”
Kashtan and other researchers had previously discovered cooking with gas stoves presented a similar cancer risk as inhaling second-hand cigarette smoke. They also found some gas stoves leaked contaminants even when the burners were off.
The effects are especially devastating to children, whose smaller and still-developing lungs need to take more breaths than adults, Kashtan said. Older adults, especially those with cardiovascular or respiratory illness, are also more vulnerable to pollution from gas stoves.
To alleviate indoor air pollution, experts recommend using ventilation hoods and opening windows while cooking,
Starting in 2008, California required new and redeveloped homes to have ventilation that could prevent pollution from building up indoors. But during their research, measuring emissions in more than 100 households across the country, Yannai said they found many kitchens didn’t have ventilation hoods at all.
Although the health effects of breathing these pollutants are clear, researchers still wonder to what degree these conditions could be reversible. As communities take steps to mitigate their exposure or transition away, he said we could soon see the results.
“It’s never too late to stop breathing in pollution,” he said.
Science
For Oprah Winfrey, a croissant is now just a croissant — not a struggle
Yes, Oprah Winfrey has discussed her weight loss and weight gain and weight in general before — many, many times before. The difference this time around, she says, is how little food noise there is in her daily life, and how little shame. It’s so quiet, in fact, that she can eat a whole croissant and simply acknowledge she had breakfast.
“Food noise,” for those who don’t experience it, is a virtually nonstop mental conversation about food that, according to Tufts Medicine, rarely shuts up and instead drives a person “to eat when they’re not hungry, obsess over meals and feel shame or guilt about their eating habits.”
“This type of obsessive food-related thinking can override hunger cues and lead to patterns of overeating, undereating or emotional eating — especially for people who are overweight,” Tufts said.
Winfrey told People in an exclusive interview published Tuesday that in the past she would have been thinking, “‘How many calories in that croissant? How long is it going to take me to work it off? If I have the croissant, I won’t be able to have dinner.’ I’d still be thinking about that damn croissant!”
What has changed is her acceptance 2½ years ago that she has a disease, obesity, and that this time around there was something not called “willpower” to help her manage it.
The talk show host has been using Mounjaro, one of the GLP-1 drugs, since 2023. The weight-loss version of Mounjaro is Zepbound, like Wegovy is the weight-loss version of Ozempic. Trulicity and Victroza are also GLP-1s, and a pill version of Wegovy was just approved by the FDA.
When she started using the injectable, Winfrey told People she welcomed the arrival of a tool to help her get away from the yo-yo path she’d been on for decades. After understanding the science behind it, she said, she was “absolutely done with the shaming from other people and particularly myself” after so many years of weathering public criticism about her weight.
“I have been blamed and shamed,” she said elsewhere in that 2023 interview, “and I blamed and shamed myself.”
Now, on the eve of 2026, Winfrey says her mental shift is complete. “I came to understand that overeating doesn’t cause obesity. Obesity causes overeating,” she told the outlet. “And that’s the most mind-blowing, freeing thing I’ve experienced as an adult.”
She isn’t even sharing her current weight with the public.
Winfrey did take a break from the medication early in 2024, she said, and started to regain weight despite continuing to work out and eat healthy foods. So for Winfrey the obesity prescription will be renewed for a lifetime. C’est la vie seems to be her attitude.
“I’m not constantly punishing myself,” she said. “I hardly recognize the woman I’ve become. But she’s a happy woman.”
Winfrey has to take a carefully managed magnesium supplement and make sure she drinks enough water, she said. The shots are done weekly, except when she feels like she can go 10 or 12 days. But packing clothes for the Australian leg of her “Enough” book tour was an off-the-rack delight, not a trip down a shame spiral. She’s even totally into regular exercise.
Plus along with the “quiet strength” she has found in the absence of food noise, Winfrey has experienced another cool side effect: She pretty much couldn’t care less about drinking alcohol.
“I was a big fan of tequila. I literally had 17 shots one night,” she told People. “I haven’t had a drink in years. The fact that I no longer even have a desire for it is pretty amazing.”
So back to that croissant. How did she feel after she scarfed it down?
“I felt nothing,” she said. “The only thing I thought was, ‘I need to clean up these crumbs.’”
Science
Owners of mobile home park destroyed in the Palisades fire say they’re finally clearing the debris
Former residents of the Palisades Bowl Mobile Home Estates, a roughly 170-unit mobile home park completely destroyed in the Palisades fire, received a notice Dec. 23 from park owners saying debris removal would start as early as Jan. 2.
The Bowl is the largest of only a handful of properties in the Palisades still littered with debris nearly a year after the fire. It’s left the Bowl’s former residents, who described the park as a “slice of paradise,” stuck in limbo.
The email notice, which was reviewed by The Times, instructed residents to remove any burnt cars from their lots as quickly as possible, since contractors cannot dispose of vehicles without possessing the title. It followed months of near silence from the owners.
“The day before Christmas Eve … it triggers everybody and throws everybody upside down,” said Jon Brown, who lived in the Bowl for 10 years and now helps lead the fight for the residents’ right to return home. “Am I liable if I can’t get this done right now? Between Christmas and New Year’s? It’s just the most obnoxious, disgusting behavior.”
Brown is not optimistic the owners will follow through. “They’ve said things like this before over the years with a bunch of different things,” he said, “and then they find some reason not to do it.”
Earlier this year, the Federal Emergency Management Agency denied requests from the city and the Bowl’s owners to include the park in the U.S. Army Corps of Engineers cleanup program, which FEMA said was focused on residential lots, not commercial properties. In a letter, FEMA argued it could not trust the owners of the Bowl to preserve the beachfront property as affordable housing.
A tattered flag waves in the wind at Asilomar View Park overlooking the Pacific Palisades Bowl Mobile Estates.
(Myung J. Chun/Los Angeles Times)
The Bowl, which began as a Methodist camp in the 1890s, was purchased by Edward Biggs, a Northern California real estate mogul, in 2005 and split between his first and second wives after his death in 2021. The family has a history of failing to perform routine maintenance and seeking to redevelop the park into a more lucrative resort community.
After FEMA’s rejection, the owners failed to meet the City of L.A.’s debris removal deadlines. In October, the city’s Board of Building and Safety Commissioners declared the park a public nuisance alongside seven other properties, giving the city the authority to complete the debris removal itself and charge the owners the bill.
But the city has yet to find funds to front the work, which is expected to cost millions.
On Dec. 10, City Councilmember Traci Park filed a motion that would order the city to come up with a cost estimate for debris removal and identify funding sources within the city. It would also instruct the city attorney’s office to explore using criminal prosecution to address the uncleared properties.
The Department of Building and Safety did not immediately respond to requests for comment.
Despite the recent movement on debris removal, residents of the Palisades Bowl still have a long road ahead.
On Wednesday, numerous burnt out vehicles still remained at the Pacific Palisades Bowl Mobile Estates. The owners instructed residents they must get them removed as quickly as possible.
(Myung J. Chun/Los Angeles Times)
In mobile home parks, tenants lease their spaces from the landowners but own the homes placed on the land. Before residents can start rebuilding, the Bowl’s owners need to replace or repair the foundations for the homes; fix any damage to the roads, utilities and retaining walls; and rebuild facilities like the community center and pool.
The owners have not responded to multiple requests for comment, but in February, Colby Biggs, Edward Biggs’ grandson, told CalMatters that “If we have to go invest $100 million to rebuild the park and we’re not able to recoup that in some fashion, then it’s not likely we will rebuild the park.”
Mobile home law experts and many residents doubt that the Biggs family would be able to convert the rent-controlled mobile home park into something else under existing law. The most realistic option, should the Biggs decide against rebuilding, would be to sell the park to another owner — or directly to the residents, a course of action the residents have been actively pursuing.
The lack of communication and action from the owners has nonetheless left the Bowl’s eclectic former community of artists, teachers, surfers, first responders and retirees in limbo.
Many are running out of insurance money for temporary housing and remain unsure whether they’ll ever be able to move back.
Science
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