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

A new study reveals the dramatic decrease in lead exposure in the U.S. following the establishment of the Environmental Protection Agency 55 years ago.

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 ...

In A Nutshell Researchers tested 44 hair extension products and found chemicals on hazard lists in 91% of them, including 12 ...

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

Measured via hair samples, long-term glucocorticoid exposure was linked to higher incidental cardiovascular disease risk. Long-term glucocorticoid levels measured via scalp hair are associated with ...

Harvard’s Peabody Museum on Thursday pledged to return hundreds of hair samples taken from Native American children who were enrolled in government-run schools in the 1930s and apologized for keeping ...