For decades, many people have been aware of the dangers of lead paint, have carefully measured the amount of tuna that they eat because of its high mercury content, and have avoided using deodorants laden with aluminum. Hence, they feel safe from heavy metal poisoning. But are they?
A 2022 study published in Proceedings of the National Academy of Sciences reveals that half of the U.S. population—up to 170 million Americans—may be suffering from lead poisoning because of exposure during their childhood.





