- Roman Empire’s use of lead lowered IQ levels across Europe, study finds The Guardian
- How Romans accidentally lowered their IQs, according to Oxford University study The Telegraph
- Lead pollution across the Roman Empire would have caused IQ deficits New Scientist
- Lead pollution likely caused widespread IQ declines in ancient Rome Phys.org
- Roman Empire’s Air Pollution May Have Lowered The IQ of Europe ScienceAlert
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