Study: BPA research might have been bias

Apr 17, 2007

A U.S. scientific journal says bias might have resulted in inconsistent study results concerning the danger of a chemical found in many products.

Bisphenol A, or BPA, is a weak synthetic estrogen used in a variety of consumer products including baby bottles and food and beverage containers. Some animal studies have linked BPA with such adverse health effects as obesity and cancer and there's concern it might cause similar adverse effects in humans.

Among government and industry experiments on lab animals and tissues, 153 found adverse effects and 14 did not. The majority of those reporting no harm were funded by chemical corporations, the journal Chemical & Engineering News reported.

Now an editorial in the journal's April 16 issue by Senior Editor Bette Hileman highlights a number of potential sources of bias behind the inconsistent study outcomes, including the use of strains of rats that are insensitive to estrogen and choosing batches of animal feed that vary widely in their estrogenic activities.

The American Chemical Society journal said only an unbiased panel with appropriate expertise can resolve the apparently conflicting results of the BPA-related health studies.

Copyright 2007 by United Press International

Explore further: Best of Last Week – New type of qubit created, Hubble sees a glowing galaxy and extreme agreeing may solve disagreements

add to favorites email to friend print save as pdf

Related Stories

Molecular modelling to help create better, safer drugs

May 24, 2013

(Phys.org) —How our bodies break down the common drugs ibuprofen, diclofenac and warfarin is the subject of a new study from the University of Bristol, published in the Journal of the American Chemical So ...

Proposed Mars 'Icebreaker' mission detailed

Apr 18, 2014

Scientists supported by the Astrobiology Technology for Exploring Planets (ASTEP) and Astrobiology Instrument Development Programs (ASTID) have outlined the proposed 'Icebreaker' mission to Mars in a recent ...

Recommended for you

Radar search to find lost Aboriginal burial site

43 minutes ago

Scientists said Tuesday they hope that radar technology will help them find a century-old Aboriginal burial ground on an Australian island, bringing some closure to the local indigenous population.

'Moral victories' might spare you from losing again

10 hours ago

It's human nature to hate losing. Unfortunately, it's also human nature to overreact to a loss, potentially abandoning a solid strategy and thus increasing your chances of losing the next time around.

User comments : 0