Banning lead in gas worked: The proof is in our hair

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

Hair analysis shows lead exposure fell nearly 100-fold after EPA era began

In A Nutshell Century-old hair reveals dramatic change: Researchers analyzed childhood hair saved by families from 1916 to ...
Colorado Public Radio

51 prisoners will have their cases reviewed for potential wrongful convictions over hair analysis

Fifty-one people currently serving sentences in Colorado prisons will have their cases probed by state law enforcement and University of Colorado law school professors for potentially faulty hair ...
Mother Jones

How the Junk Science of Hair Analysis Keeps People Behind Bars

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. In the three decades since Florida sent Gerald Delane Murray to death row for murder, ...
Smithsonian Magazine

DNA Analysis Confirms Claim of Sitting Bull Descendant

DNA analysis of a lock of hair taken from Sitting Bull confirms that a South Dakota man is the Lakota leader's great-grandson. Smithsonian Institution For decades, a South Dakota man said he was the ...
Medscape

Hair Cortisol Is a Biomarker of Chronic Stress

Hair cortisol concentration is a viable biomarker of chronic psychological stress, according to a multicenter study published in PLOS Global Public Health. Stress is defined as the cognitive, ...