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Human brain samples contain an entire spoon’s worth of nanoplastics, study says (www.cnn.com)

submitted 3 weeks ago by [email protected] to c/[email protected]

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“The concentrations we saw in the brain tissue of normal individuals, who had an average age of around 45 or 50 years old, were 4,800 micrograms per gram, or 0.48% by weight,” Campen said.

That’s the equivalent of an entire standard plastic spoon, Campen said.

“Compared to autopsy brain samples from 2016, that’s about 50% higher”

An entire spoon's worth of plastic in ol' wrinkly. That doesn't seem good.

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[–] [email protected] 37 points 3 weeks ago (5 children)

50% increase in 8 years is fascinating. I doubt we increased plastics production that much in that timeframe, so what caused the increase?

[–] [email protected] 31 points 3 weeks ago* (last edited 3 weeks ago) (2 children)

Speculating: the breakdown of existing environmental plastics into smaller, more absorbable pollutants? existing plastics more thoroughly polluting the food/water supplies?

[–] [email protected] 12 points 3 weeks ago* (last edited 3 weeks ago)

Yeah, the comment elsewhere about 50% of plastic having been produced since '02 has me convinced it's the former.

[–] [email protected] 12 points 3 weeks ago (1 children)

I think that's true because the amount of plastic waste is being significantly lower. Of the plastic still being emitted into the environment, the majority is from tires. Tire dust.

[–] [email protected] 4 points 3 weeks ago

Don't forget the garbage islands and fishing nets being cooked by sunlight in the ocean, like a perpetual stew.

[–] [email protected] 11 points 3 weeks ago

Takes time to build up at every layer of water -> Agriculture -> body -> brain, probably.

[–] [email protected] 5 points 3 weeks ago

It happened slowly, then all at once.

[–] [email protected] 5 points 3 weeks ago

I think it’s plastic erosion that matters more in this instance

[–] [email protected] 3 points 3 weeks ago

We totally increased plastic production that much