Roman Empire, IQs

Roman Empire’s lead pollution was high enough to lower IQs, study says
Silver fueled the rise of the Roman Empire. But the ancient process of mining and extracting silver was also making the air thick with lead, scientists found.
Ancient Romans Breathed in Enough Lead to Lower Their IQs, Study Finds. Did That Toxin Contribute to the Empire’s Fall?
Did lead poisoning contribute to the fall of the Roman Empire? It’s a question historians have long debated, since the Romans sweetened their wine with lead acetate and sipped tap water that flowed through lead pipes.
Ancient lead pollution may have lowered IQs across the Roman Empire
The new research adds context to a long-standing debate about the role lead pollution and poisoning may have played in the collapse of the Roman Empire. Some historians have argued that Roman elites and emperors who purportedly displayed odd,
Widespread lead pollution in the Roman era made led to a drop in IQ across Europe, study suggests
"A 2 to 3 points lower IQ doesn't sound like much, but when you apply that to the entire European population, it's quite a lot."
Roman-Era Lead Pollution Linked to IQ Drop Across Europe
DRI scientists analyzed Arctic ice core records to reconstruct historical atmospheric lead pollution from Ancient Rome, uncovering a link between lead exposure and cognitive decline. Lead exposure is a significant public health concern,
Ancient Lead Poisoning May Have Contributed to the Roman Empire’s Downfall
Learn how researchers examined lead levels in ice cores dating back to the Roman Empire, and found concentrations high enough to affect IQs.
How Lead Pollution During Ancient Rome’s Glory Days Shockingly Lowered IQ Across Europe
New research finds that pollution from ancient silver and lead mining during the Roman Empire resulted in lowered intelligence across Europe.
Lead pollution linked to lower IQs in Roman Empire: Study
Atmospheric lead pollution likely caused cognitive decline among citizens of the Roman Empire, according to research published Monday in the Proceedings of the National Academy of Sciences. Researchers analyzed ice core records for an approximately thousand-year period corresponding roughly with the period from the Roman Republic through the decline of the empire,
Lead Pollution Was Likely Widespread in the Roman Empire
Lead exposure is responsible for a range of human health impacts, with even relatively low levels impacting the cognitive development of children. DRI scientists have previously used atmospheric pollu
Roman Empire's Air Pollution May Have Lowered The IQ of Europe
Using modern evidence of lead pollution and its health effects, the international team calculates that lead exposure in the Roman golden age could have caused a population-wide drop in IQ of about 2.5 to 3 points per person. And that goes for most of the Roman Empire, including its provinces of Gaul, northwestern Africa, Iberia, and Britannia.
Lead Pollution Linked to IQ Decline in Roman-Era Europe
A study analyzing Arctic ice cores reveals that lead pollution during the Roman Empire's height contributed to an estimated 2-3 point IQ decline across Europe.
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How the Roman Empire Lowered IQ Levels in Europe
The Roman Empire lowered IQ levels across Europe according to a new study, due to the vast quantities of lead pollution.
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It Fueled the Roman Empire —and Made Everyone Dumber
Ancient Romans weren't as bright as they might have been. According to a new study published Monday in the journal PNAS, the ...