← back to claim Historical precedent from lead exposure shows 10-15% brain volume reductions caused lasting cognitive deficits across populations.

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cited by (1)
[+0] The 15% reduction in gray matter volume observed in adolescent heavy social media users constitutes evidence of developmental harm. discuss [i] adolescent-brain-development developmental-psychology digital-media-studies neuroplasticity neuroscience
Historical precedent from lead exposure shows 10-15% brain volume reductions caused lasting cognitive deficits across populations.
supports (2)
[+0] Children exposed to lead showing 12% hippocampal volume reduction demonstrated IQ decreases averaging 7.4 points in longitudinal tracking. discuss [i]
[+0] The dosage-response relationship in neurotoxicology establishes that volume reductions exceeding 10% rarely occur without functional impairment. discuss [i]
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