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Overexposed To Bisphenol F? Blame Mother Nature

Whether you realize it or not, there’s a good chance that you are being exposed to bisphenol...

The Silence On BPA Is Deafening – Let The CLARITY Data Speak!

For years it would not have been possible to use the word “silence” in the same sentence...

Was FDA’s Recent Statement On BPA Premature?

A few weeks ago the U.S. National Toxicology Program (NTP) released the results of the largest...

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Steve HentgesRSS Feed of this column.

Steven G. Hentges holds a Ph.D. in organic chemistry from Stanford University and a B.S. in chemistry from the University of Minnesota. He is the Executive Director of the Read More »


In June 2013, the U.S. Food and Drug Administration (FDA) answered the question “Is BPA safe?” with a simple and unambiguous answer – “Yes.” 

In contrast, countless words have been written over many years suggesting exactly the opposite. 

The subject of endocrine disruption is not particularly new, with extensive scientific and regulatory attention to endocrine disrupting chemicals (EDCs) over the last 20 years or so. A common definition, from the World Health Organization/International Programme on Chemical Safety, is:

It was the late astronomer and author Carl Sagan who popularized the phrase “extraordinary claims require extraordinary evidence,” and originated the closely related concept of scientific skepticism.

In the case discussed here, skeptics we should be.

A recent article discussed the question of causation versus statistical association in cross-sectional epidemiology studies that evaluate the pote

That question is particularly relevant this week in light of numerous media articles reporting that exposure to a common chemical is linked to obe

Last week, a study published in the journal Human Reproduction reported that bisphenol-A (BPA), a compound widely used to make polycarbonate plastic and epoxy resins, altered maturation of human oocytes in vitro