Recent research suggests that toxic lead pollution in ancient Rome likely decreased the average person’s IQ by 2.5 to 3 points. The study links lead pollution from Roman silver smelters to widespread environmental impact and health effects. Historians debate the role of lead in the empire’s downfall.
Key Points
Lead pollution in ancient Rome likely decreased IQ levels by 2.5 to 3 points
Roman silver smelters were significant contributors to lead pollution
Exposure to lead in ancient Rome had various health effects including learning disabilities and mental health issues
Pros
Raises awareness about the long-term effects of lead pollution
Sheds light on the industrial impact on environmental and human health in ancient civilizations
Cons
Estimates may underestimate the full scope of lead exposure due to various sources in ancient Rome
Debate continues on the exact role lead played in the decline of ancient Rome