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Leaded Gasoline: Profit Versus Public Health

Leaded gasoline, introduced in 1923 to improve car performance, caused lasting harm to public health. Despite knowing lead’s toxicity for centuries, it was used for decades because it was highly profitable. A recent study estimates that lead exposure from car exhaust caused 151 million psychiatric disorders in the U.S., especially among those born before the 1996 ban. Generation X, exposed during lead’s peak use in the 1960s and 1970s, experienced the most severe effects, including...