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- 🥑 Microplastics are in your brain. Let's fix that!
🥑 Microplastics are in your brain. Let's fix that!


Remember when we were kids, and our biggest worry was swallowing gum and it "staying in your stomach for seven years?" Yeah, turns out we had bigger problems—like unknowingly consuming a credit card’s worth of plastic every week.
🤔 Wait… What Even Are Microplastics?
Microplastics are tiny plastic particles (smaller than 5mm) that have infiltrated our air, water, food, and even our organs. Scientists recently discovered:
The average male testicle contains 8.2mg of microplastics, which might be contributing to the 50% decline in sperm counts since the 1970s.
Our brains now have 50% more microplastics than they did a decade ago—and yes, they can cross the blood-brain barrier.
Microplastics have even been found in human lungs, placenta samples, and breast milk.
So, congrats. You’re officially part plastic—but not in the cool Wolverine way
Here is why I only use wooden cutting boards…
— Paul Saladino, MD (@paulsaladinomd)
3:53 PM • May 22, 2024
🚨 How Do These Tiny Plastics Get Inside Us?
🥤 Drinking & Eating – Bottled water, canned food, plastic packaging, and even seafood are microplastic-packed.
🌬 Breathing – Microplastics float in the air, especially indoors from furniture, carpets, and synthetic clothing.
🧴 Absorbing? Maybe. – Some skin care products contain microplastics, but absorption through skin isn’t fully proven.
Basically, if you eat, drink, or breathe, you’re exposed. (Which makes "just stop eating plastic" slightly unhelpful advice.)
How to Reduce Microplastic Exposure
Cutting out microplastics completely? That’s about as realistic as thinking you’ll "only watch one episode" on Netflix. But you can take some easy steps to drastically reduce how much plastic you're consuming every day.
Water & Food
🥑 Ditch Plastic Bottles – Use stainless steel or glass.
🥑 Filter Your Water – A reverse osmosis system is best, but any filtration is a step up. Spring water in glass containers (like Mountain Valley) is another great option.
🥑 Storing Foods – No more Tupperware. Use glass or stainless steel.
🥑 Skip Canned Foods – Fresh food reduces BPA exposure from can linings (unless you enjoy seasoning your soup with plastic).
🥑 Use Ceramic or Glass Mugs for Hot Drinks – Plastic + heat = bad news.
🥑 Don’t Microwave Plastic – Unless you like the idea of sipping melted Tupperware. Use glass or ceramic instead.
Cookware Upgrades:
Pans: Stainless Steel or Cast Iron (Best Pan options)
Spatulas: Wood or Stainless Steel.
Plates/Bowls: Ceramic, Stainless Steel, or Glass.
Coffee: Ditch plastic cups—heat makes plastic leach even faster. Use a thermos coffee mug instead (even at gas stations or coffee shops).
Tea Bags: Many contain plastic—use loose leaf tea with a stainless steel infuser.
Baking: Stainless steel or cast iron—avoid silicone and non-stick coatings.
In Your Home
🥑 Vacuum with a HEPA Filter – Microplastics lurk in household dust like a horror movie villain you can’t see. Get a HEPA filter and suck ‘em up.
🥑 Wear Natural Fibers – Choose cotton, hemp, linen over polyester (especially for gym clothes—because sweating in plastic is not the move).
🥑 Use Chemical-Free Cleaning Products – Many cleaning sprays contain microplastics. Use eco-friendly brands or check your products with an app like Think Dirty.
🥑 Ventilate Your Space – Open windows & use an air purifier to reduce indoor plastic particles.
Making these small changes adds up over time, reducing your microplastic exposure and helping your body function better. 🚀
Bryan Johnson avoiding microplastics (5 mins 53 secs)
How Long Do Microplastics Stay in the Body?
Here's the scary part: We don’t fully know.
Microplastics can accumulate in fat tissue and organs, and we are still learning how to detox them. Doing your best to help the natural detox process; sweating (saunas and exercise), hydration (more pee more toxins come out), and fasting (cellular cleaning) could all be beneficial in aiding this.
While research is still developing, one thing is clear: Reducing exposure is our best defense.
Final Thoughts
We can't escape microplastics entirely, but small changes add up. Your body will thank you—especially your brain, hormones, and future kids.
Stay healthy and plastic-free!


Last newsletter: 🌯 Healthy Snacks
Enjoyed this? Share with a friend who still drinks from plastic bottles. Let’s all stop eating Tupperware.