@UncleScottiepoo @KrisKobach1787 Republicans need people with lead poisoning otherwise their voter base disappears. https://t.co/OP01FKbOWW
The effect of lead exposure on IQ test scores in children under 12 years: a systematic review and meta-analysis of case-control studies.
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Oct 2022 – Oct 2025Where it's discussed
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X / Twitter24 posts
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News8 articles
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YouTube2 videos
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Reddit2 posts
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What people are saying
Discussions illustrate a high level of interest and engagement, with many posts citing specific details from the study, such as the average IQ reduction of around 7.8 points due to lead exposure, and emphasizing its serious implications. The tone varies from supportive acknowledgment to skepticism, reflecting both recognition of the study’s importance and potential political or social narratives around environmental health issues.
Most discussions acknowledge the study’s findings, with many referencing the link between lead exposure and reduced IQ, though some express skepticism or political opinions.
Posts show high interest, especially when discussing the implications of lead poisoning on children's mental development and societal outcomes.
Several contributions delve into specifics, questioning study methods, emphasizing the significance of the findings, and referencing related research to deepen the discussion.
While some posts highlight the broad societal consequences, others focus on the potential controversy or political misuse, indicating moderate perceived impact.
Abstract in brief
- Lead exposure in children under 12 significantly lowers IQ scores, with the impact depending on both the level and duration of exposure.
- The study reviewed data from 8 case-control studies involving 3,316 children, comparing those exposed to high lead levels (above 10 µg/dL) versus lower levels.
- Longer exposure durations (more than 45 years) result in a greater reduction in IQ scores, emphasizing that both the amount and length of lead exposure can cause lasting damage to children's mental development.]
Top posts
Most liked on X and Bluesky@buzzingbeetome @eyeslasho So children with cognitive damage due to lead exposure as indicated by IQ scores don't have anything to worry about? How absurd. Psychometric testing is one thing in psychology that appears robust and with external validity across groups. https://t.co/BFwsN0DMJA
@cremieuxrecueil https://t.co/LbHnfgYl7v here.
@eyeslasho @KaiKish_ https://t.co/0bUoE24WjR
@Edgar_OE @mx__chichi Other studies show lead has negative effects on IQ. Example here: "This study demonstrates that the concentration and duration of lead exposure have a large effect on mental function in children." https://t.co/Chp1tlQV2X
@AsTimeGoesBy0 @davidbewart remember leaded petrol? https://t.co/KUgvD5u7jz
All mentions
Impact of Lead Exposure on Child IQ and Health Risks
Lead exposure in children significantly lowers IQ scores, influenced by exposure level and duration. The study reviews data from 8 case-control studies involving 3,316 children, highlighting the lasting impact of lead…
Impact of Lead Exposure on Public Health and IQ Loss
This video discusses the far-reaching consequences of a groundbreaking yet harmful invention that led to widespread lead poisoning. Over 170 million Americans faced elevated lead levels in childhood, contributing to…
@Pablo01618 @FemaleMenaces @zerohedge I love the fact that when right over your head and you tripled down like an idiot for everyone to see. The effect of lead exposure on IQ test scores in children under 12 years: a systematic review and meta-analysis of case-control studies - PMC https://t.co/9llpFPbC8o
Iran & Sweden: We compared the IQs of kids with Pb >10μg/dL versus kids with Pb <10μg/dL https://t.co/2lhD8wLe8Z https://t.co/koszD1S984 https://t.co/5S1KIbOXfd https://t.co/nsnsHofwdb https://t.co/eL1OMSrj81 https://t.co/NUIwT45EnZ https://t.co/Kf9y5j1t3S https://t.co/17DrRZtw8x
@cremieuxrecueil That’s certainly a take. Here’s a quality meta analysis if you care to retract. https://t.co/v3QdPTfNgR
@UmBencaoCadaDia @vanillaopinions Here's a study directly linking lead poisoning and IQ https://t.co/GyDxaiaRGH https://t.co/HoYfKOm3hx
@buzzingbeetome @eyeslasho So children with cognitive damage due to lead exposure as indicated by IQ scores don't have anything to worry about? How absurd. Psychometric testing is one thing in psychology that appears robust and with external validity across groups. https://t.co/BFwsN0DMJA
@cremieuxrecueil https://t.co/LbHnfgYl7v here.
@cerflerg @AverageSteveS @BronskiJoseph I’m not sure how you could say something so wrong with so much confidence. https://t.co/ufYjzQvUm6
@booriley0 @DINKLEBERG_AF1 @groipa @atrupar @HughJaynus420 Just lead exposure reduced IQ by 7.8pts on average. https://t.co/1Fgl1HR1in
@Simonjenkin To an extent although if this were all tests measured then what is the point of studies showing cognitive impairment from childhood lead exposure based on these tests? https://t.co/obFAgyp2yi
@LHCBMatt Not exactly true. Otherwise there would be no point in testing for cognitive impairment from head injury or lead poisoning. https://t.co/obFAgyp2yi
@ReplySide Helped quantify cognitive harm from lead exposure? Army has used them for decades. An extreme case is identifying whether inmates are exempt from capital punishment. https://t.co/BFwsN0DMJA
RT @swarau: @Edgar_OE @mx__chichi Other studies show lead has negative effects on IQ. Example here: "This study demonstrates that the c…
@Edgar_OE @mx__chichi Other studies show lead has negative effects on IQ. Example here: "This study demonstrates that the concentration and duration of lead exposure have a large effect on mental function in children." https://t.co/Chp1tlQV2X
@VicedRhino This is specifically malicious since it‘s known what lead poisoning does to intelligence, https://t.co/VTk2518Mue
RT @SurlyWanderer: @UncleScottiepoo @KrisKobach1787 Republicans need people with lead poisoning otherwise their voter base disappears. htt…
RT @SurlyWanderer: @UncleScottiepoo @KrisKobach1787 Republicans need people with lead poisoning otherwise their voter base disappears. htt…
@UncleScottiepoo @KrisKobach1787 Republicans need people with lead poisoning otherwise their voter base disappears. https://t.co/OP01FKbOWW
@AsTimeGoesBy0 @davidbewart remember leaded petrol? https://t.co/KUgvD5u7jz
RT @lmcsomewhere: @eyeslasho @KaiKish_ https://t.co/0bUoE24WjR
@eyeslasho @KaiKish_ https://t.co/0bUoE24WjR
@YungEuropean @kilogolfsierra @UsingLyft @whstancil If the simple presence of lead in blood can lower the IQ by 7.8 points, then the whole gap is explained by environmental factor. The avergae IQ was 92.1 for blacks Americans in 2006 and 103 for whites, then there could be no gap explained by race https://t.co/1Fgl1HQtsP
@73RDARM @RonFilipkowski There is a scientific explanation available... https://t.co/caQbDIrfSR. https://t.co/Qlv1Q2h035
@barndoorbanjo @SwipeWright Yikes. https://t.co/pHF36y0hKR
Higher blood lead levels result in a lower intelligence quotient, which results in less job opportunities & earning potential. https://t.co/hMUTraz5QF.
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