Microplastics Found to Trigger Cancer-Linked Changes in Lung Cells
Dr. Joseph Mercola - Take Control of Your Health
Briana Mercola
4.6 • 1.6K Ratings
🗓️ 8 September 2025
⏱️ 9 minutes
🧾️ Download transcript
Summary
- Microplastics were found to trigger cancer-like changes in healthy lung cells, including increased mobility, DNA damage, and activated survival pathways
- Inhaled particles bypass your body's defenses and embed deep in your lungs, where they silently disrupt cellular function without causing obvious inflammation
- A review of 31 studies confirmed that microplastics harm your lungs, gut, and reproductive organs even at exposure levels that mimic everyday life
- Smaller nanoplastics are especially dangerous because they cross into your bloodstream, reaching your liver, brain, and other organs where they cause long-term damage
- Natural strategies like psyllium, chitosan, probiotics, and autophagy-enhancing nutrients help trap and remove plastic particles before they're absorbed
Transcript
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| 0:00.0 | Are you breathing in plastic particles that quietly push your lung cells toward cancer-linked behavior before you feel a single symptom? |
| 0:08.3 | 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. |
| 0:17.9 | Subscribe for free at Mercola.com for the latest health insights. |
| 0:21.6 | Hello and welcome to Dr. Mercola's cellular wisdom. |
| 0:25.6 | I'm Ethan Foster, and today we're examining new evidence that everyday |
| 0:29.6 | microplastics and nanoplastics don't just sit in your airways. |
| 0:33.6 | They alter how your cells function in ways that raise red flags for long-term risk. |
| 0:38.3 | I'm Alara Sky. |
| 0:40.3 | The concern is direct. |
| 0:42.3 | Healthy lung cells that absorb plastic particles become more mobile, activate survival pathways, |
| 0:47.3 | and show DNA damage without obvious inflammation. |
| 0:51.3 | You meet these particles in indoor dust, shedding from synthetic clothes and carpets, |
| 0:56.7 | tire wear, and degraded packaging. They are small enough to bypass normal defenses, |
| 1:02.4 | embed where gas exchange happens, and begin disrupting the way your cells manage stress and repair. |
| 1:08.4 | A new study in the Journal of Hazardous Materials tested polystyrene micro and nanoplastics |
| 1:13.6 | against healthy lung epithelial cells and several lung cancer cell lines. |
| 1:18.6 | The surprise was that normal cells absorbed more plastic and changed more dramatically than cancer cells. |
| 1:24.6 | Instead of dying, they switched on damage response systems, including |
| 1:28.8 | DNA repair and antioxidant defenses. Oxidative stress was central, and size mattered. The smaller |
| 1:35.6 | nanoparticles drove the strongest damage. Researchers also saw a shift toward behaviors associated |
| 1:41.6 | with malignancy. Cell migration increased after exposure, a hallmark |
| 1:46.8 | of aggressive disease. Imaging showed particles entering cells, disturbing the membrane, and reorganizing |
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