Lead poisoning has been a feature of our evolution
The news article discusses a recent study that found traces of lead in teeth from 2 million-year-old hominin fossils. The study suggests that lead poisoning has been a feature of human evolution for a very long time. The researchers analyzed the lead levels in the teeth of various hominins, including Australopithecus and early Homo species, to understand the historical exposure to lead. The findings indicate that lead contamination was present in the environment and that our ancestors were likely exposed to it during their lifetimes. The presence of lead in ancient hominin fossils raises concerns about the long-term health effects of lead exposure on human development and evolution. The article highlights the need for further research to understand the impact of environmental toxins on the health and evolution of our species.
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