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Separated at birth, identical twins raised in Korea and America found to have unusual differences in IQ (scoop.upworthy.com)

submitted 2 weeks ago by [email protected] to c/[email protected]

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[–] JasSmith 34 points 2 weeks ago (1 children)

while the other faced hardships with her adoptive family and parents

Does anyone have more info? Abuse, neglect, and malnutrition are proven to reduce IQ. So are the concussions referenced in the article. I would be dubious to make any statements on the back of a single case like this. This is not even outside the realm of possibility of twin IQ variance - albeit unlikely.

[–] [email protected] 25 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

So is lead.

Using historical data on U.S. childhood blood-lead levels, leaded-gas use, and population statistics, they determined the likely lifelong burden of lead exposure carried by every American alive in 2015.

https://today.duke.edu/2024/12/20th-century-lead-exposure-damaged-american-mental-health

She looks pretty young, but still.

Also, just schooling, lol. US education sucks donkey dick

[–] [email protected] 4 points 2 weeks ago (1 children)

The photo is stock. They’re in their 40s so it could be lead. The US twin experienced multiple serious concussions, so that alone might explain a 16 point IQ difference.

[–] [email protected] 3 points 2 weeks ago

Not stock, slop.