Just Like Cigarettes, Vaping Likely Causes Cancer, Major Study Finds

Dr. Joseph Mercola - Take Control of Your Health

Briana Mercola

Alternative Health, Health & Fitness

4.6 • 1.6K Ratings

🗓️ 12 May 2026

⏱️ 6 minutes

🔗️ Recording | iTunes | RSS

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Summary

A 2026 scientific review concludes vaping is likely to cause lung and oral cancer, shifting the conversation from uncertainty to clear concern
The damage from vaping starts at the cellular level, where DNA injury, oxidative stress and inflammation build long before symptoms appear
E-cigarette aerosol contains a mix of cancer-linked chemicals, including nitrosamines, toxic gases and metals released from the device itself
Using both cigarettes and vaping products at the same time dramatically increases your lung cancer risk instead of reducing harm
Eliminating vaping exposure, improving metabolic health and using exercise to break nicotine dependence directly lowers your risk and helps your body recover

Transcript

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0:00.0	What if the device millions of people switched to as a supposedly safer alternative?
0:04.2	Is turning out to carry many of the same dangers it was supposed to replace?
0:08.1	A comprehensive review of over 100 studies has concluded that vaping is likely carcinogenic.
0:14.3	And the findings are not ambiguous.
0:16.7	Dr. Mercola breaks down the evidence and explains why this matters far more than the headlines suggest. Welcome to Dr. Mercola breaks down the evidence and explains why this matters far more than the headlines suggest.
0:21.6	Welcome to Dr. Mercola's cellular wisdom. Stay informed with quick, easy-to-listen summaries of our latest articles, perfect for when you're on the go. No reading required.
0:32.6	Subscribe for free at Mercola.com for the latest health insights.
0:36.6	Hello and welcome to Dr. for free at Mercola.com for the latest health insights.
0:42.7	Hello and welcome to Dr. Mercola's cellular wisdom. The review, published in the journal Carcinogenesis, analyzed human studies, animal experiments,
0:49.4	and cell level research examining the effects of chemicals found in e-cigarette aerosol.
0:56.0	Dr. Merkola notes that the authors did not mince words. The conclusion across all three categories of evidence pointed
1:01.9	in the same direction. The chemicals inhaled during vaping are capable of causing cancer
1:06.9	in the lungs and oral cavity. The aerosol produced by e-cigarettes is not harmless water vapor, despite what early marketing
1:13.6	campaigns implied. Dr. Merkola points out that it contains formaldehyde, acetyldehyde, acroline,
1:21.6	talewene, and tobacco-specific nitrosamins, all of which are recognized carcinogens. Biomarker studies on young
1:29.8	people who vape have confirmed elevated levels of these compounds in their blood and urine,
1:34.7	meaning the exposure is real and measurable. The mechanism is driven largely by oxidative stress.
1:40.5	When these chemicals enter lung tissue, they generate reactive oxygen species that damage DNA directly.
1:47.0	Formaldehyde is particularly concerning because it creates reactive intermediates that bind to DNA, forming what are called DNA adducts.
1:56.2	Dr. Mercola explains that these adducks are a well-established early step in cancer development.
2:01.6	Every major study in the review reported a significant increase in oxidative stress markers
2:06.1	following e-cigarette exposure.
	...

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