Skip to main content

Microplastics in the Brain: What You Need to Know
April 28, 2025 at 12:00 AM
website cover (5).jpg

It sounds like science fiction, but it’s real—and it’s happening now. Microplastics, those tiny fragments of plastic that come from things like water bottles, synthetic clothes, food packaging, and even the air we breathe, are making their way into the human body. But the most shocking part? Scientists have now found microplastics in the human brain.

So how did they get there, and what does this mean for your health?

🧬 What Are Microplastics?

Microplastics are plastic particles smaller than 5 millimeters in size (that’s smaller than a sesame seed!). They come from larger plastics that break down over time or are manufactured that way—think glitter, synthetic fibers, and microbeads in skincare products.

They’re everywhere:
– In our drinking water (even bottled)
– In the food we eat
– In the dust we inhale
– Even in placentas and breast milk 😳

Now, new research suggests these particles can cross the blood-brain barrier—the protective shield that keeps most harmful substances out of our central nervous system.

🧠 Microplastics in the Brain? Yes, Really.

A 2024 study revealed that mice exposed to microplastics had plastic particles accumulate in their brain tissue within 2 hours. That’s fast. And while research on humans is still emerging, autopsy studies have already detected microplastics in human brain tissue as well.

The blood-brain barrier is supposed to protect us—but certain nano-sized plastics are small enough to slip past. Once inside, they may trigger inflammation, oxidative stress, and even disrupt brain cell function.

⚠️ Why This Matters for Your Health

We’ve long known that plastics can leach chemicals like phthalates and BPA—known hormone disruptors—but the idea of actual physical plastic particles embedding in your tissues is a new level of concern.

Potential impacts of microplastics in the brain may include:

  • Cognitive decline
  • Neuroinflammation (linked to Alzheimer’s, Parkinson’s, and mood disorders)
  • Impaired learning and memory
  • Disruption of neurotransmitters

Functional Medicine already recognizes the brain’s sensitivity to toxins. This discovery adds another layer to what might be contributing to the rise in brain fog, anxiety, ADHD, and early cognitive decline.

💡 What Can You Do About It?

While we can’t completely escape microplastics (they’re literally in the rain now), we can take steps to reduce exposure and support the body’s natural detox pathways.

Avoid Plastic Packaging - Choose glass, stainless steel, or silicone instead of plastic containers, especially for food and drinks. And never microwave food in plastic!

Filter Your Water - Use a high-quality water filter that removes microplastics—look for reverse osmosis or NSF-certified systems.

Reduce Synthetic Fabrics - Polyester, nylon, and acrylic shed microfibers into the air and water. Choose natural fabrics like organic cotton, linen, and wool.

Detox Support - Support your detox organs—especially your liver and brain—through food, supplements, and therapies like sauna, hydrotherapy, and glutathione support. In Functional Medicine, we assess toxic load and help tailor detox plans to your body’s needs.

Protect Your Brain - Nutrients like omega-3s, curcumin, and magnesium help calm inflammation and support brain health. And don’t forget sleep—it’s when your brain does the most detox work!

blog illustrations (2).jpg

🧠 The Bottom Line

Microplastics in the brain might sound alarming—and honestly, it is. But awareness is the first step toward change. We now know our environment is impacting our biology more than ever, and Functional Medicine is uniquely equipped to help us navigate it.

If you're struggling with brain fog, memory issues, or just want to know how to reduce your toxic burden, let’s talk. At Radiant Health and Wellness, we take a root-cause approach to healing, helping you stay sharp, focused, and energized in a plastic-filled world.

Ready to detox your brain and body the Functional way?


📞 Schedule a consultation at https://www.radianthealthandwellness.co

Let’s create a plan that supports your brain for the long haul.

RESOURCES

  1. American Chemical Society (2024) – Polystyrene Nanoplastics Detected in Mice Brains Within 2 Hours https://www.acs.org/pressroom/newsreleases/2024/march/microplastics-in-the-brain.html
  2. National Geographic – Microplastics found in human blood for the first time
    https://www.nationalgeographic.com/environment/article/microplastics-found-in-human-blood
  3. https://www.nationalgeographic.com/environment/article/microplastics-found-in-human-blood
  4. Environmental Health News – Microplastics detected in human brain tissue
    https://www.ehn.org/microplastics-human-brain-2668120742.html

  5. ScienceDirect – Microplastics and neurotoxicity: A review of recent research
    https://www.sciencedirect.com/science/article/abs/pii/S0048969723010195
  6. https://www.sciencedirect.com/science/article/abs/pii/S0048969723010195
  7. World Health Organization – Microplastics in Drinking Water Report https://www.who.int/news-room/detail/22-08-2019-who-calls-for-more-research-into-microplastics-and-a-crackdown-on-plastic-pollution
  8. https://www.who.int/news-room/detail/22-08-2019-who-calls-for-more-research-into-microplastics-and-a-crackdown-on-plastic-pollution

Let's talk
We would love to hear from you!
Subscribe to our newsletter
Let's keep in touch!

Stay updated on our news and events! Sign up to receive our newsletter.