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Disposable vapes more toxic and carcinogenic than cigarettes, study shows

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Disposable vapes more toxic and carcinogenic than cigarettes, study shows

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Illegal disposable e-cigarettes, also known as vapes, may present a greater danger than traditional cigarettes, according to a study from the University of California (UC) Davis.

The research, published in the journal ACS Central Science, found that hazardous levels of several toxic heavy metals in illegal vapes could present a high cancer risk.

Researchers used a special instrument to test the puffs from three popular vape brands — ELF Bar, Flum Pebble and Esco — that are not FDA-authorized for use in the U.S., but are widely sold by retailers.

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Three heavy metals — lead, nickel and antimony — were detected in all heavily flavored and lightly flavored devices that were tested. 

These metals are classified as carcinogens, potentially leading to various types of cancers, such as skin, lung and kidney, according to the National Institutes of Health (NIH). 

UC Davis researchers have discovered high levels of toxic metals in some popular disposable vape brands. (iStock)

All vapors exceeded the cancer risk limits for nickel, which has been linked to cardiovascular disease, asthma, lung fibrosis and respiratory tract cancer, per NIH.

Brett Poulin, senior study author and assistant professor at the UC Davis Department of Environmental Toxicology, told Fox News Digital that he was shocked at the levels of toxic metals.

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“When I analyzed the first samples, the lead concentrations were so high that I genuinely thought the instrument was broken,” he said. “The levels far exceeded anything in our past data, or even the published literature.”

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One of the brands tested exposes users to as much lead as smoking 19 packs of cigarettes, the researchers discovered.

Additionally, most of the disposable e-cigarettes tested in the study were found to contain greater levels of metals and metalloids than older refillable vapes.

After evaluating about a week’s worth of puffs, the researchers determined that lead, nickel and antimony were detected in all tested vapes. (iStock)

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At one point, Poulin said, he physically opened a device and discovered that it was using leaded copper alloys, which are metals made primarily of copper with small amounts of lead.

“These materials leached dangerous levels of lead into the e-liquid, even without the device being used,” Poulin told Fox News Digital.

“It remains unclear whether this was an intentional design choice, a cost-cutting measure or a manufacturing oversight.”

“This neurotoxin poses serious health risks, particularly to children and adolescents.”

There is no known safe level of lead exposure, according to Poulin.

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“This neurotoxin poses serious health risks, particularly to children and adolescents, who are especially vulnerable.”

Daniel Sterman, M.D., director of the Pulmonary Oncology Program at the NYU Langone Perlmutter Cancer Center, told Fox News Digital that the study “clearly” demonstrates high concentrations of metal.

Men were found to be more likely to vape than women, according to the CDC. (iStock)

“There are several health risks of vaping that we enumerate for our patients and their family members, [such as] risks of various lung diseases, including asthma, COPD and lung cancer,” said Sterman, who was not involved in the study.

The doctor noted that while it is challenging to establish a direct link of causation between disposable vapes and cancer, he does see cancer patients who use the devices.

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“Disposable vapes should be highly regulated by local, state and federal agencies, and restricted to those individuals 21 years or older,” Sterman recommends.

The doctor also called for the packaging on disposable vapes to clearly outline the many health risks, “particularly to teenagers and young adults.”

Potential limitations

One of the primary limitations of the study was that only three disposable e-cigarette brands were tested out of the hundreds currently on the market. 

There are distinct differences in the metal leaching and profiles across all three brands, Poulin shared. 

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The Center for Disease Control (CDC) found that the percentage of adults who used electronic cigarettes increased from 4.5% in 2019 to 6.5% in 2023. (iStock)

“We still know very little about the metal content in the vast majority of untested disposable e-cigarette products,” he said. “This gap in knowledge poses a significant public health concern, especially given the popularity of these devices.”

A spokesperson for the China-based brand, ELFBAR, told Fox News Digital that they refute the results of the study, claiming that they stopped shipments in May 2023.

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Due to ongoing trademark litigation, they are unable to market or sell products in the U.S., the company stated.

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“This market void has led to a surge in counterfeits, imitations and illicit variations misusing our brand name,” the spokesperson said. “As such, we have every reason to believe the devices tested in this study are not genuine and were not manufactured by ELFBAR.”

Many disposable vapes that are not FDA-authorized for use in the U.S. are widely sold by retailers. (Mike Kemp/In Pictures via Getty Images)

The spokesperson acknowledged that smoking remains the leading cause of preventable death and disease worldwide, noting that the recent study “continues to undermine public understanding of smoking cessation.”

The other two brands tested in the study did not respond to requests for comment.

“Disposable vapes should be highly regulated by local, state and federal agencies and restricted to those individuals 21 years or older.”

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Electronic cigarette use among adults increased from 4.5% in 2019 to 6.5% in 2023, according to the U.S. Centers for Disease Control and Prevention (CDC).

Men are more likely to vape than women, while 15.5% of young adults between the ages of 21 and 24 reported using e-cigarettes, the above source states.

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The UC Davis study received support from the University of California Tobacco-Related Disease Research Program Grant and the California Agricultural Experiment Station.

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Cancer tied to woman’s vaping habit since age 15 as she’s now given just months to live

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Cancer tied to woman’s vaping habit since age 15 as she’s now given just months to live

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A young woman who started vaping at the age of 15 has been given just 18 months to live — after being diagnosed with lung cancer in her early 20s. 

Kayley Boda, 22, of Manchester, in the United Kingdom, was engaging in heavy vaping on a regular basis when she started coughing up a brown substance with “grainy bits” in it in January 2025, news agency SWNS reported. 

The retail assistant said doctors turned her away eight times, telling her she had a chest infection — until she began coughing up blood.    

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After seven biopsies, Boda was diagnosed with lung cancer. She underwent surgery to remove the lower lobe of her right lung, as well as chemotherapy — and in February 2026, got the all-clear, the same source reported.

Two months later, though, doctors said the cancer had come back in the pleural lining. Now she’s been given 18 months to live.

Kayley Boda, 22, is shown in the hospital. She started coughing up a brown substance with “grainy bits” in January 2025, she said. She had been vaping since the age of 15.  (SWNS)

The young woman has now issued a warning to others to be aware of the dangers of vaping.

Boda said she smoked a bit as a young teenager. She took up vaping after that. 

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Then, “a few months after I switched from reusable vapes to disposable ones, I started coughing up brown, grainy mucus,” as SWNS reported.

TOURISTS MAY FACE STEEP FINES AND JAIL TIME FOR VAPES AT THIS VACATION HOT SPOT

“Doctors turned me away eight times with a chest infection. … Then I started coughing up blood, so they did an X-ray and found a shadow on my lung,” she added.

“They told me they were 99% sure, [since I was] so young, that it wasn’t cancer, so not to worry about it. When I got the results back, and they told me it was lung cancer, it felt so surreal.”

Boda said she was “very naive” before her diagnosis and thought that “something like this would never happen to me.”

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She said that she had surgery to remove half of her right lung.

“After the surgery, I started chemo and I had a terrible reaction to it. I couldn’t lift my head up. I was throwing up blood. I was urinating blood. I couldn’t eat. I couldn’t sleep.”

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She said that when she got the “all clear [in Feb. 2026], it felt amazing, but just two months later I was told the cancer had come back, and I have 18 months to live.”

She added, “I’m 22. This isn’t meant to happen to somebody my age.”

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“Stay off the vapes because they will catch up with you.”  

She blames her cancer on vaping, she said.  

“My symptoms started a few months after I started disposable vapes, and there’s no lung cancer in my family,” she said. “I haven’t vaped for three months, I’ve made my partner stop, I’ve made my mom stop, I’m urging all my friends to stop. Stay off the vapes,” she continued, “because they will catch up with you.”  

When doctors did an X-ray, they found a shadow on Boda’s right lung. She was later diagnosed with lung cancer and has undergone surgery to remove the lower lobe of her right lung, as well as chemotherapy. (SWNS)

She said she’d been using reusable vapes since the age of 15 and began using disposable vapes a few months before her cancer symptoms started.

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DISPOSABLE VAPES MORE TOXIC AND CARCINOGENIC THAN CIGARETTES, STUDY SHOWS

In November 2024, when she developed a rash all over her body, doctors said it could have been due to shingles, chicken pox or scabies, she told SWNS.    

‘Nothing worked’

“I got treated for all three, and nothing worked,” Boda said. “It got to the point where I was cutting myself from scratching so hard.” 

A few months after that, she began coughing up a dark brown mucus, with “grainy bits, the consistency of sugar, in it,” she said. When the coughing continued, she visited the doctor’s office, but was told it could be scarring from pneumonia or a chest infection, she also said.    

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It wasn’t until March 2025 that she began coughing up bright red blood. At that point, doctors gave her a chest X-ray and told her they’d found a shadow on her lower right lung.    

Over the next four months, she had seven biopsies as doctors took samples from the “shadow.” In August, when she went to get the results, she was told she had stage one lung cancer.

Boda is shown in the hospital. She was diagnosed with lung cancer and had surgery to remove the lower lobe of her right lung, as well as chemotherapy. (SWNS)

In September 2025, she had surgery to remove the lower lobe of her right lung, and the surrounding lymph nodes. During the surgery, doctors upstaged her cancer from stage one to stage three after finding cancer in six surrounding lymph nodes, she said.  

Following the surgery, Boda was unable to breathe properly and had to learn to walk all over again.  

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“The oncologist said this is so rare.”

After finishing chemotherapy in February 2026, Kayley was given the all clear, leaving her feeling elated. 

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However, just a month after that, she began experiencing extreme chest pains and was told by doctors she had a pleural effusion — a build-up of fluid in the lungs. She had the fluid removed, but when doctors tested it, they discovered her cancer had returned to the pleural lining of her lungs, giving her 18 months to live.  

“The oncologist said this is so rare, and usually something they see in patients that are 80 years old,” she said, as SWNS reported.  

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Increasingly, vacation hot spots are enforcing strict bans on the use of e-cigarettes in public venues.  (iStock)

Boda claimed that doctors were unable to pin her cancer to a specific cause — but told her that smoking and vaping definitely didn’t help.

Since her diagnosis, she has stopped and is urging others to stop, too.    

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She’s hoping to raise the thousands of dollars needed for treatment to try to prolong her life, she said.  

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Last year, Fox News Digital reported on the case of a Pennsylvania woman, 26, who said she vaped for just one year before her lungs collapsed. She was 22 when she took up the habit, she said in an interview. 

“Everybody warned me about it, but I didn’t listen — I wish that I did,” she said.

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Dr. David Campbell, clinical director and program director at Recover Together Bend in Oregon, told Fox News Digital at that time that signs of collapsed lungs include sharp chest or shoulder pain, shortness of breath and difficulty breathing.

Lung issues are just one of the many health issues linked to vaping, he warned. The habit can also increase the risk of heart disease and stroke, as well as exposure to harmful heavy metals.

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Melissa Rudy of Fox News Digital contributed reporting. 

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Experts reveal why ‘nonnamaxxing’ trend may improve mental, physical health

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Experts reveal why ‘nonnamaxxing’ trend may improve mental, physical health

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The key to feeling better in a fast, overstimulated world might be surprisingly simple: Live a little more like your grandparents.

A growing social media trend, dubbed “nonnamaxxing,” draws inspiration from the slower, more intentional rhythms associated with an Italian grandmother.

The lifestyle is often linked to activities like preparing home-cooked meals, spending time outdoors and making meaningful connections.

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“Nonnamaxxing is a 2026 trend that embraces the slower, more intentional lifestyle of an Italian grandmother (a Nonna). Think cooking from scratch, long family meals, daily walks, gardening and less screen time,” Erin Palinski-Wade, a New Jersey-based registered dietitian, told Fox News Digital.

Nonnamaxxing, derived from the name for an Italian grandmother, is a trend that incorporates lifestyle habits hundreds of years in the making. (iStock)

Stepping away from screens and toward real-world interaction can have measurable benefits, according to California-based psychotherapist Laurie Singer.

“We know that interacting with others in person, rather than spending time on screens, significantly improves mental health,” she told Fox News Digital, adding that social media often fuels comparison and lowers self-esteem.

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Living more like previous generations isn’t purely driven by nostalgia. Cooking meals from scratch, for example, has been linked to better nutrition and more mindful eating patterns.

Adopting traditional mealtime habits can improve diet quality and support both physical and mental health, especially when meals are shared regularly with others, Palinski-Wade noted.

One longevity expert stresses that staying healthy isn’t just about food — it’s also about joy and community. (iStock)

There’s also a psychological benefit to slowing down and focusing on one task at a time. Anxiety often stems from unfinished or avoided tasks, Singer noted, and engaging in hands-on activities can counteract that.

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“Nonnamaxxing encourages us to be present around a task, like gardening, baking or knitting, or just taking a mindful walk, that delivers something ‘real,’” she said.

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Palinski-Wade cautions against turning the trend into another source of pressure, noting that a traditional “nonna” lifestyle often assumes a different pace of life.

The key, she said, is adapting the mindset, not replicating it perfectly.

Nonnamaxxing, derived from the name for an Italian grandmother, is a trend that incorporates lifestyle habits hundreds of years in the making. (iStock)

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The goal is to reintroduce small, intentional moments that make you feel better.

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That might mean prioritizing a few shared meals each week, taking a walk without your phone or setting aside time for a simple hobby, the expert recommended.

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Singer added, “Having a positive place to escape to, through whatever activities speak to us and make us happy, isn’t generational – it’s human.”

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Loneliness may be silently eroding your memory, new research reveals

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Loneliness may be silently eroding your memory, new research reveals

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Feeling lonely may take a toll on older adults’ memory — but it may not speed up cognitive decline, according to a new study.

Researchers from Colombia, Spain and Sweden analyzed data from more than 10,000 adults ages 65 to 94 across 12 European countries and found those who reported higher levels of loneliness did worse on memory tests at the start of the study, according to research published this month in the journal Aging & Mental Health.

Over a seven-year period, however, memory decline occurred at a similar rate regardless of how lonely participants felt.

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“The finding that loneliness significantly impacted memory, but not the speed of decline in memory over time was a surprising outcome,” lead author Dr. Luis Carlos Venegas-Sanabria of the School of Medicine and Health Sciences at the Universidad del Rosario said in a statement.

Loneliness may be linked to memory performance in older adults, a new study suggests. (iStock)

“It suggests that loneliness may play a more prominent role in the initial state of memory than in its progressive decline,” Venegas-Sanabria said, adding that the findings highlight the importance of addressing loneliness as a factor in cognitive performance.

The findings add to debate about whether loneliness contributes to dementia risk. While loneliness and social isolation are often considered risk factors for cognitive decline, research results have been mixed.

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The study looked at data from the long-running Survey of Health, Ageing and Retirement in Europe (SHARE), which tracked 10,217 older adults between 2012 and 2019. Participants were asked to recall words immediately and after a delay to measure memory performance.

Social isolation and loneliness could play a surprising role in cognitive health among seniors. (iStock)

Loneliness was assessed using three questions about how often participants felt isolated, left out or lacking companionship.

About 8% of participants reported high levels of loneliness at the outset. That group tended to be older, more likely to be female and more likely to have conditions such as depression.

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Researchers found that those with higher loneliness had lower scores on both immediate and delayed memory tests at baseline. Still, all groups — regardless of loneliness level — experienced similar declines in memory over time.

The results suggest loneliness may not directly accelerate the progression of memory loss, though it remains linked to poorer cognitive performance overall.

Researchers look at a brain scan at the National Institutes of Health in Bethesda, Maryland. (Saul Loeb/AFP/Getty Images)

Experts warn, however, that the findings should not be interpreted to mean loneliness is harmless.

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“The finding that lonely older adults start with worse memory but don’t decline faster is actually the most interesting part of the paper, and I think it’s easy to misread,” said Jordan Weiss, Ph.D., a scientific advisor and aging expert at Assisted Living Magazine and a professor at NYU Grossman School of Medicine.

“It likely means loneliness does its damage earlier in life, well before people show up in a study like this at 65-plus,” Weiss told Fox News Digital.

By older age, long-term social patterns may already be established, making it harder to detect when the effects of loneliness first took hold, an aging expert says. (iStock)

He suggested that by older age, long-term social patterns may already be established, making it harder to detect when the effects of loneliness first took hold.

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“By the time you’re measuring someone in their late 60s, decades of social connection patterns are already baked in,” he said.

Weiss, who was not involved in the research, added that loneliness may coincide with other health conditions, and noted that participants who felt more isolated also had higher rates of depression, high-blood pressure and diabetes. The link, he said, may reflect a cluster of health risks rather than a direct cause.

“While they can go hand-in-hand, it’s not clear that loneliness contributes to dementia,” a psychotherapist says. (iStock)

Amy Morin, a Florida-based psychotherapist and author, said the findings reflect a broader pattern in research on loneliness and brain health, and that the relationship may be more complex than it appears.

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“The evidence shows there’s a link between loneliness and cognitive decline but there’s no direct evidence of a cause and effect relationship,” she said. “So while they can go hand-in-hand, it’s not clear that loneliness contributes to dementia.”

Morin added that loneliness, which can fluctuate, may not be the root of the problem, but rather a symptom of other underlying mental or physical health issues.

Researchers suggested screening for loneliness be incorporated into routine cognitive assessments as one way to support healthy aging. (iStock)

She said staying socially and mentally engaged is crucial for overall brain health.

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“It’s important to be proactive about social activities,” Morin said. “Joining a book club, having coffee with a friend, or attending faith-based services can be a powerful way to maintain connections in older age.”

The researchers also suggested screening for loneliness be incorporated into routine cognitive assessments as one way to support healthy aging.

Fox News Digital reached out to the researchers for comment.

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