Vapen, for a long time as ‘healthier’ alternatives to smoking, can actually be more toxic than traditional cigarettes.
Researchers from the University of California, Davis, tested seven flavored e-cigarettes of three of the most popular brands and found that the disposable vapen release more carcinogenic toxic metals than cigarettes.
One of the disposable e-cigarettes gave more ahead during the use of a day than almost 20 packs of traditional cigarettes.
The most important author of the study, Mark Salazar, a PhD student, said the levels were so high that he “thought our instrument was broken.”
The scientists analyzed the metals within seven types of disposable devices of Elfbar, Flum Pebble and Esco.
Using an instrument to activate the disposable e-cigarettes and heat the internal liquid, they created between 500 and 1500 pebbles for each device.
After using a device to simulate the equivalent of up to one week of use, the team discovered that they contain the heavy metal nickel, lead and antimony.
The metals are used to make the heating coils of the devices, which turns liquid in e-cigarettes into vapors that are inhaled. The metal then loved from the vapen in the liquid.
A new study from the University of California – Davis thought that Vapen can release more carcinogenic chemicals than 20 cigarettes (stock image)

The graph above shows nickel, antimony and lead levels in tested vapors. The green dotted line shows the risk level of cancer for lead. The purple dotted line shows this risk level for antimony and the red dotted line represents the risk earth for non-cancer diseases
Damp of three of the tested devices contained levels of lead and nickel above the safety limits of cancer, and two had increased levels of antimony – an element used in batteries and as a flame retardant.
Esco -Bars in particular turned out to be four to 13 times more lead in their first 200 pebbles than a suit of 20 cigarettes. This is the same amount of lead exposure as smoking 19 cigarettes in one day.
And four devices sold by ESCO had linked levels of lead and nickel to breathing and lung diseases such as asthma and lung scars.
The researchers said that although they only tested three of the 100 popular Vape brands, the findings show about health risks for teenagers and young adults, which they will most likely use.
All three heavy metals tested are considered potential carcinogens, which means that they can cause cancer. And all are associated with lung cancer, while it has been shown that lead increases the risk of lung, kidney and brain cancer.
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Nikkel is also associated with nasale and sinus cancer.
Although Vapen are higher in these heavy metals than cigarettes, decades of research suggest that cigarettes are even more dangerous because they contain around 7,000 carcinogenic substances compared to 2,000 vapen.
Cigarettes have also proven for a long time to cause lung cancer, while research has not yet proven direct cause between Vapen and the disease.
Brett Poulin, senior study -author and university teacher at the UC Davis Department of Environmental Toxicology, said: ‘Our study emphasizes the hidden risk of this new and popular disposable electronic cigarettes – with dangerous levels of neurotoxic lead and carcinogenic nikkel and antimonie in the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for the need for Uggonie.
“These risks are not only worse than other e-cigarettes, but in some cases worse than traditional cigarettes.”
The study, published on Wednesday in ACS Central ScienceAnalyzed metal and metalloids – elements with properties between metals and not – metals.
With the help of a device to heat and activate the e-cigarettes, they each had between 500 and 1500 gulles generated.
The average VAPE user does around 100 to 200 bikes per day.

Eleven Bar, which is also sold as an ebb design (depicted here), was the most popular disposable vapor from 2023 and 2024
The team found vapors of three of the devices – Elfbar flea, Elfbar Clear and Esco bar flared – surpassed the risk limits of cancer for nickel.
In the meantime, Flum Kiezelstenen overshadowed and skipped ESCO -Bar these levels for antimony.
And Esco bar tasted and esco bar clear had lead emissions That surpassed thresholds for health risks for ‘non-cancer disorders’.
These include asthma and lung vibration fibrosis.
Mark Salazar, first study author and PhD student in Poulin’s lab, said: “We have discovered that these disposable devices have toxins that are already present in the e-liquid, or they lie fairly extensively from their components in e-fluids and finally transferred to the smoke.”

The image above shows the heavy metals in different parts of the tested disposable fits
The CDC identified eleven as the most popular VAPE brand among teenagers and young adults in 2023 and 2024. And Esco bars sold around $ 82 million in products in the US in 2022, the latest data available.
No flooded e-cigarettes are legally for sale in the US, although the FDA has authorized a limited number of non-silly authorization.
Both varieties, however, remain omnipresent in convenience stores and via online retailers.
Sales data Reported by Reuters Estimated $ 2.4 billion in illegal Vapen was sold in the US last year, which experts say it is particularly worrying because they are not regulated or tested by a supervisory agency, so it is unclear what is in it.
About six percent of American adults – about 17 million – Vape, according to the latest CDC data.
And about six percent of high school students and eight percent of high school students report that it vapen at least once in the last 30 days.
Although they are generally considered a safer alternative for smoking tobacco and promoted as a tool for quitting smoking, recent research suggests that e-cigarettes can increase the risk of heart and lung damage.
In a case study published this month, a man from New Jersey died, which thought that the first documented case of lung cancer was caused by e-cigarettes.
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