Pollutants have been entering our food chain for millennia. In Somalia, an unprecedented effort to kill massive locust swarms with biocontrol By Erik Stokstad Feb. Both species were among the main ingredients in the diet of the people who lived here, according to previous archaeological studies. The scientists may soon be able to shine a light on some of these outstanding questions: They have now acquired the remains of eight individual Stone Age humans from the Varanger region and can explore the potential effects of heavy metals on their health and lifespans. The bones of the cod at these sites contained more than 20 times the maximum level of cadmium and up to four times the highest level of lead that the European Food Safety Authority considers safe in meat, the team reports in Quaternary International. The researchers also hope to analyze additional animal remains.
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