250
The average brain weighs 1300-1400 grams. If 0.5% of that is plastic by weight, your brain contains 6.5 - 7 grams of plastic. The average plastic credit card weighs 5 grams.
https://www.theguardian.com/environment/article/2024/aug/21/microplastics-brain-pollution-health
Now that you have told me something kinda useless tell me how much longer is my shlong due to mycroplastic ๐ค๐
It's likely causing your erectile disfunction, even if it tripled it's size.
If your erection lasts longer then 4 hours... Nice.