While gas consumption continued to rise in the ensuing decades, lead samples in hair dropped sharply. Samples from the 1970s ...

The Environmental Protection Agency (EPA) cracked down on lead-based products—including lead paint and leaded gasoline—in the 1970s because of its toxic effects on human health. Scientists at the ...

There’s no safe level of exposure to lead—but a small, strange study shows we’ve made incredible progress in recent decades ...

Prior to the establishment of the Environmental Protection Agency in 1970, Americans lived in communities awash with lead ...

A century of hair samples shows how environmental rules helped slash Americans’ lead exposure by up to 100 times.

Researchers investigated historic and current lead exposure by studying an unexpected part of the body: hair. In a study published yesterday in the journal PNAS, researchers analyzed hair clippings ...