납 중독로 인한 세대별 IQ 감소


40~45년생 IQ 1.3 감소
46~50년생 IQ 2.3 감소
51~55년생 IQ 3.3 감소
56~60년생 IQ 4.1 감소
61~65년생 IQ 4.8 감소


66~70년생 IQ 5.9 감소
71~75년생 IQ 5.7 감소
76~80년생 IQ 4.7 감소
81~86년생 IQ 2.6 감소


86~90년생 IQ 1.0 감소
91~95년생 IQ 0.4 감소
96~00년생 IQ 0.16 감소
01~05년생 IQ 0.05 감소 (사실상 0점)
06~10년생 IQ 0.02 감소 (사실상 0점)
11~15년생 IQ 0.01 감소 (사실상 0점)



출처: 2022년 미국 플로리다 주립대와 듀크대 공동 연구팀(McFarland 등)이 미국 국립과학원회보(PNAS)에 발표한 '유연휘발유 사용으로 인한 세대별 아동기 납 노출과 IQ 감소' 논문



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