Health
Could your car make you sick? Study highlights potentially cancerous toxins in vehicles
Americans may be breathing in cancer-causing chemicals while driving, recent research suggests.
A study published in the journal Environmental Science & Technology has sparked discussions about the potentially harmful toxins that could be lurking in the cabins of vehicles.
“Certainly the indoor air quality can cause health symptoms,” Dr. Ken Speath, M.D., the division chief and medical director for occupational and environmental medicine at Northwell Health on Long Island, New York, told Fox News Digital.
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It is important to be mindful of what you’re breathing in at home, at the office, at school and even in cars, according to Speath, who was not involved in the study.
“There can be situations where levels of harmful chemicals get high enough to potentially cause health harms,” he said.
Americans may be breathing in cancer-causing chemicals while they are driving, recent research suggests. A study published in the journal Environmental Science & Technology has sparked many discussions. (iStock)
“A car is a closed small space — so whatever is in the air is certainly going to be breathed in.”
Research reveals ‘harmful chemicals’
The peer-reviewed study looked at 101 owned vehicles in the U.S., model year 2015 or newer.
The researchers concluded that harmful flame-retardant chemicals — including those suspected of potentially causing cancer and some neurological issues — may be polluting the air inside vehicles.
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“Flame retardant chemicals, which are intentionally added to vehicle interiors to meet flammability standards, are released into the cabin air from the materials to which they were applied,” lead author Rebecca Hoehn, a scientist at Duke University, told Fox News Digital.
“People in these vehicles may be exposed to these chemicals.”
Seat foam was the only material the researchers measured, Hoehn said, but other interior materials could also contain the chemicals.
The researchers concluded that harmful flame-retardant chemicals — including those suspected of potentially causing cancer and some neurological issues — may be polluting the air inside vehicles. (iStock)
“Considering the average driver spends about an hour in the car every day, this is a significant public health issue,” Hoehn warned.
“It’s particularly concerning for drivers with longer commutes, as well as child passengers, who breathe more air pound for pound than adults.”
The chemicals detected in the car cabins included a flame retardant called tris (1-chloro-isopropyl) phosphate (TCIPP), which is currently being investigated as a potential carcinogen by the U.S. National Toxicology Program.
“Considering the average driver spends about an hour in the car every day, this is a significant public health issue.”
Other flame retardants — tris (1, 3-dichloro-2-propyl) phosphate (TDCIPP) and tris (2-chloroethyl) phosphate (TCEP) — were also detected.
These are “two Californian Proposition 65 carcinogens linked to neurological and reproductive harms,” according to a press release.
Higher concentrations of the flame retardants were found during warmer weather.
“We found that the same cars, sampled in both winter and summer, had higher concentrations of flame retardants in the cabin air during the warm summer months,” Hoehn told Fox News Digital.
Flame retardants are added to vehicles to meet the National Highway Traffic Safety Administration Federal Motor Vehicle Safety Standard, which mandated their use in the 1970s. (iStock)
Flame retardants are added to vehicles to meet the National Highway Traffic Safety Administration Federal Motor Vehicle Safety Standard (FMVSS 302), which mandated their use in the 1970s, the release stated.
Flame retardants have been the “focus of concern for some time,” Speath told Fox News Digital.
More information is needed to determine the health risks these chemicals pose in humans, he said.
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“A number of these have been demonstrated in studies to have health harms in animals,” he said.
“That doesn’t necessarily mean that would be true for humans, but it raises that possibility, so we need to study these chemicals more in relation to their effects on humans.”
Higher concentrations of the flame retardants were found during warmer weather, the researchers said. (iStock)
Emanuela Taioli, M.D., PhD, the director of the Institute for Translational Epidemiology at Icahn School of Medicine at Mount Sinai in New York City, was also not part of the study, but shared her reactions.
“This is a very relevant finding, since it may prompt changes in cars’ upholstery, as well as in other parts of the car where there is foam,” she told Fox News Digital via email.
“We also want to know more about this finding and monitor whether it is replicated by other investigators.”
Other sources of toxins
Stephen Showalter, a home inspector and indoor environmental air consultant with Showalter Property Consultants in Maryland, said he typically interviews clients about their history of illness, then tests for potential sources of sickness in buildings, cars, RVs and boats.
Mold is a common culprit when it comes to health issues triggered by one’s environment, he said in an interview with Fox News Digital.
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Dr. Daniel Johns, a member of the International Society of Environmentally Acquired Illnesses and a chiropractor who practices in Annapolis, Maryland, echoed Showalter’s concerns about mold-related health issues.
Johns also cautioned that cars can be a daily source of mold exposure.
“Any water that leaks from a window, sunroof or convertible can get into the carpet and cause mold growth,” he said during an interview with Fox News Digital.
Mold is a common culprit when it comes to health issues triggered by one’s environment, according to an environmental expert. (iStock)
“Mold can start growing on a wet surface within 24 to 48 hours.”
For families with small children, spilled sippy cups could play a role when it comes to mold in cars, Johns warned.
“The water seeps into the upholstery and doesn’t get noticed or properly dried out, and the whole seat can become moldy,” he said.
“Mold can start growing on a wet surface within 24 to 48 hours.”
“Every time you sit on the seat, it releases a mold spore cloud into the car. Once that happens, you can’t clean it away. The upholstery must be removed and replaced.”
The impact of these potentially harmful pollutants can vary from one person to the next, experts told Fox News Digital.
For families with small children, spilled sippy cups could play a role when it comes to mold in cars, an expert warned. (Kids and Car Safety)
People metabolize chemicals and toxins in different ways, according to Taioli.
“Metabolism happens through enzymes that the body produces,” he said.
“Each of us has a different genetic profile that defines our metabolic capacity. As a consequence, the same amount of toxin may be metabolized better/faster by some, and worse/slower by others.”
Tips for ensuring safe interiors
While further research on car-borne chemicals is needed, experts say people can take measures to limit exposure.
“People may be able to reduce their exposure by ventilating their cars,” Hoehn advised.
“For example, rolling down the windows to let out contaminated air, or pulling in fresh air with climate control systems, should reduce concentrations.
“Ultimately, reducing the amount of flame retardants added to vehicles in the first place would provide the greatest reduction in exposure risk.”
Controlling your vehicle’s cabin temperature may also reduce exposure, she added.
“Parking in a garage or shade instead of full sun may reduce the cabin temperature and limit the extent of flame retardant release,” Hoehn said.
The researchers also called for action from regulatory agencies and vehicle manufacturers.
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“Ultimately, reducing the amount of flame retardants added to vehicles in the first place would provide the greatest reduction in exposure risk,” Hoehn noted.
“If flammability standards for vehicles could be revised to meet fire safety guidelines without the use of added flame retardants, risk of flame retardant exposure from personal vehicles could be greatly reduced.”
To prevent mold in a vehicle, experts recommend keeping your windows up when it rains or snows to prevent water from permeating the carpet or fabric. (iStock)
Having your car’s air quality and surfaces tested is one way to reduce the risk of exposure to allergens, toxins and chemicals, experts told Fox News Digital.
To prevent mold in a vehicle, Showalter recommends keeping your windows up when it rains or snows to prevent water from permeating the carpet or fabric.
He also cautioned about leaky air conditioners, which can foster mold growth in vehicles, and about leaving wet items in the car.
Lastly, before buying a used car, he said it is important to check the vehicle’s history to make sure it doesn’t have flood damage, which can lead to mold and other issues.
If you think you are experiencing illness due to chemical exposure in your car, home or office, it’s best to see a health care professional to discuss your symptoms.
Fox News Digital reached out to several major car companies for comment.
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Small fragments of plastic were found in the tumors of most prostate cancer patients, according to a new study from NYU Langone Health.
In past studies, microplastics have been found in almost every human organ and in bodily fluids, but their impact on human health still isn’t fully understood.
The researchers analyzed tissue samples from 10 patients with prostate cancer who underwent surgery to remove the entire organ.
Using visuals of both benign samples and tumor samples, as well as specialized equipment, the scientists identified plastic particles in 90% of the tumor samples and 70% of benign tissue samples, according to the study press release.
In past studies, microplastics were found in almost every single human organ along with bodily fluids, even the placenta. (iStock)
The cancerous tissue contained on average more than double the amount of plastic as healthy prostate tissue samples, the study found. This equates to about 40 micrograms of plastic per gram of tissue compared to 16 micrograms.
Researchers avoided contaminating the samples with other plastics by substituting standard tools with those made of aluminum, cotton and other non-plastic material, the release noted.
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The scientists say this is the first direct evidence linking microplastics to prostate cancer.
“By uncovering yet another potential health concern posed by plastic, our findings highlight the need for stricter regulatory measures to limit the public’s exposure to these substances, which are everywhere in the environment,” said senior study author Vittorio Albergamo, assistant professor in the department of pediatrics at NYU Grossman School of Medicine, in the release.
Using visuals of both benign samples and tumor samples, as well as specialized equipment, the scientists identified plastic particles in 90% of the tumor samples and 70% of benign tissue samples. (iStock)
The study findings were presented during the American Society of Clinical Oncology’s Genitourinary Cancers Symposium in San Francisco on Feb. 26.
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“What is most striking is not that microplastics were detected, but that they were found embedded within tumor tissue itself,” Dr. David Sidransky, oncologist and medical advisor at SpotitEarly, a startup that offers an at-home breath-based test to detect early-stage cancer, told Fox News Digital.
“While complete avoidance is unrealistic, people can take practical steps to reduce exposure.”
“We already know microplastics are present in water, air, blood and even placental tissue. Their detection in prostate tumors suggests systemic distribution and long-term bioaccumulation,” added Maryland-based Sidransky, who was not involved in the study.
Study limitations
Albergamo cautioned that a larger sample is needed to confirm the findings. Additionally, Sidransky noted that the presence of microplastics alone does not prove they cause cancer.
“Tumors can act as ‘biologic sinks,’ meaning they may accumulate circulating particles simply because of altered vasculature and permeability,” he said.
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A key unanswered question, according to the doctor, is whether microplastics are biologically active in ways that “promote DNA damage, immune modulation or chronic inflammation within the prostate.”
About one in eight men in the U.S. will be diagnosed with prostate cancer at some point in their lifetime, according to the Centers for Disease Control and Prevention.
The most actionable step men can take is appropriate screening and early detection, according to doctors. (iStock)
For those concerned about microplastics, Sidransky offered some insights.
“I believe the appropriate response is curiosity, not panic, and a commitment to understand more,” he said.
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“While complete avoidance is unrealistic, people can take practical steps to reduce exposure, such as minimizing heating food in plastic containers, reducing bottled water consumption when possible, and favoring glass or stainless steel alternatives.”
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The most actionable step men can take, however, is getting appropriate screenings to help ensure early detection, according to the doctor. Screening discussions should be individualized based on age, family history and other risk factors.
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There has been a shake-up in the Make America Healthy Again movement regarding glyphosate, a widely used herbicide that has been the subject of significant controversy.
The debate follows an executive order signed by President Donald Trump that ensures an adequate supply of elemental phosphorus and glyphosate-based herbicides related to national defense.
MAHA supporters have previously pushed a pesticide-free agenda, warning of potential health harms caused by glyphosate.
Dr. Marc Siegel, Fox News senior medical analyst, said he believes there is sufficient evidence linking glyphosate to neurodegenerative diseases, including ALS, Parkinson’s and multiple sclerosis, to warrant limiting exposure.
President Donald Trump signed an executive order that ensures an adequate supply of elemental phosphorus and glyphosate-based herbicides related to national defense. (AP Photo/Charlie Neibergall)
“With Parkinson’s, this association appears to be due to the gut, vagus nerve and brain axis, where the exposure affects the microbiome in the gut, which then ascends slowly up to the brain, causing the neurodegenerative disease years later,” Siegel told Fox News Digital.
“There is also a growing association being found between high-dose glyphosate or occupational exposure and metabolic disorders, liver disease and some cancers, specifically lymphoma.”
He added, “Growing research backs this. I favor limiting it.”
“When we apply them across millions of acres and allow them into our food system, we put Americans at risk.”
Studies have shown that glyphosate, which is used in products such as Roundup, owned by Monsanto, could raise cancer risk.
In one University of Washington study published in the journal Mutation Research, researchers found that exposure to it increased the risk of non-Hodgkin lymphoma by 41%.
The nonprofit Investigate Midwest, which analyzed data from both the U.S. Geological Survey and the National Cancer Institute, also recently found that pesticides may contribute to cancer rates.
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Among the top 500 counties for per-square-mile pesticide use, more than 60% had cancer rates above the national average of 460 cases per 100,000 people, according to the report.
Investigate Midwest, which is based in Illinois, interviewed more than 100 farmers, environmentalists, lawmakers and scientists as part of a partnership with the Pulitzer Center’s StoryReach U.S. Fellowship.
Among the top 500 counties for per-square-mile pesticide use, more than 60% had cancer rates above the national average of 460 cases per 100,000 people, according to one study. (iStock)
Iowa, which used 53 million pounds of pesticides last year, holds the nation’s title for second-highest cancer rate.
Bill Billings, a resident of Red Oak, Iowa, was diagnosed with cancer in 2014.
“The cancer specialist said, very directly, (my) cancer is a result of being exposed to chemicals,” Billings said in the report.
Kelly Ryerson, founder of Glyphosate Facts and owner of the Instagram account @glyphosategirl, told Fox News Digital her journey researching the herbicide began with her own health struggles.
Ryerson, who is based in California, previously struggled with chronic illness and autoimmune issues, which she said improved when she stopped eating gluten.
Iowa, which used 53 million pounds of pesticides last year, holds the nation’s title for second-highest cancer rate. (iStock)
After attending a medical conference at Columbia University’s Celiac Disease Center, Ryerson began to question modern farming practices rather than the gluten itself.
“A lot of times, farmers are spraying Roundup on our grains right before harvest to facilitate an easier harvest,” she said. “After that easier harvest, because everything’s dry at the same time, those crops go directly to the mill and may end up in our food supply, at alarmingly high levels.”
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In 2015, the International Agency for Research on Cancer (IARC), part of the World Health Organization framework, classified glyphosate as “probably carcinogenic to humans.”
The classification was based on limited evidence of cancer in humans (notably non-Hodgkin lymphoma in some studies) and sufficient evidence in experimental animals.
“President Trump’s executive order reinforces the critical need for U.S. farmers to have access to essential, domestically produced crop protection tools, such as glyphosate,” a Monsanto spokesperson said. (Wolf von Dewitz/picture alliance via Getty Images)
A spokesperson for Monsanto told Fox News Digital it will comply with Trump’s order to produce glyphosate and elemental phosphorus.
“President Trump’s executive order reinforces the critical need for U.S. farmers to have access to essential, domestically produced crop protection tools, such as glyphosate,” the spokesperson said.
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HHS Secretary Robert F. Kennedy Jr. has long been a vocal critic of Roundup, working with his legal team in 2018 to award $289 million to a man who alleged the weed killer caused his non-Hodgkin lymphoma, according to reports.
Following backlash to Trump’s executive order, Kennedy said he supports the order but acknowledged that “pesticides and herbicides are toxic by design, engineered to kill living organisms.”
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“When we apply them across millions of acres and allow them into our food system, we put Americans at risk,” he posted on X. “Chemical manufacturers have paid tens of billions of dollars to settle cancer claims linked to their products, and many agricultural communities report elevated cancer rates and chronic disease.”
Fox News Digital reached out to the White House for comment.
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