A new study provides evidence that exposure to exhaust from vehicles using leaded fuel caused the IQ scores of nearly half of all living Americans to drop by a collective 824 million points.
Science in a Minute: Exposure to Leaded Fuel Exhaust Shrank American IQ Scores
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A new study provides evidence that exposure to exhaust from vehicles using leaded fuel caused the IQ scores of nearly half of all living Americans to drop by a collective 824 million points.