Human Exposure to BPA Shockingly High

A new study suggests that every day we are exposed to at least eight times the limit of bisphenol A (BPA) recommended by the U.S. EPA. The new research, published in the journal Environmental Health Perspectives, found that Americans are likely to be exposed at significantly higher levels than previously thought.

BPA is a synthetic estrogen and is commonly used to strengthen plastic and line food cans–scientists have linked it, though not conclusively, to everything from breast cancer to obesity, from attention deficit disorder to genital abnormalities in boys and girls alike.

“This study provides convincing evidence that BPA is dangerous to our health at current levels of human exposure,” said Fredrick vom Saal, Curators’ professor of biological sciences at the University of Missouri. “The new results clearly demonstrate that rodent data on the health effects of BPA are relevant to predictions regarding the health effects of human exposure to BPA. Further evidence of human harm should not be required for regulatory action to reduce human exposure to BPA.”

More than 100 peer-reviewed studies have found BPA to be toxic at low doses, but the FDA says it isnít a threat. Body burden studies show that BPA was detected in 95 percent of the people included in one sampling. “For years, BPA manufacturers have argued that BPA is safe and have denied the validity of more than 200 studies that showed adverse health effects in animals due to exposure to very low doses of BPA. We know that BPA leaches out of products that contain it, and that it acts like estrogen in the body,” said Julia Taylor, lead author and associate research professor at the University of Missouri.

According to Gayathri Vaidyanathan of Greenwire, via The New York Times,† the controversy about it’s adverse health implications hinges on the question: Does the liver detox the chemical completely enough to secrete most of it out in urine, or does BPA get into human blood where it can mimic important hormones?

Thomas Zoeller, a biology professor at the University of Massachusetts, Amherst, notes that BPA has the ability to bind to not one, but three receptors — the estrogen, the male hormone and the thyroid hormone receptors. (My question is, even if the liver does detox BPA, why would we want to consume it anyway, and do our livers really need all of that extra work?!)

“The body evolved to handle stuff that gets into our system — the liver is designed to detoxify,” he said. “There are a range of molecules that are natural, and some are incredible toxins. But when we start to make molecules that are not known to nature, we need to think a little more carefully about how they are going to interact with biological systems.”

Several states, including Connecticut, Massachusetts, Washington, New York and Oregon, have passed bills to reduce exposure to BPA, and similar legislation is pending in the U.S. Congress.

For more on BPA:
Eating It? BPA Found in Surprising Places
BPA Wrecks Sex
7 Best Ways to Avoid BPA


Carol Cowbrough
Carol C7 years ago

Not good!

Merelen Knitter
Merelen Knitter7 years ago

This makes me very glad I started replacing all of my old plastic water bottles. It's unfortunate, though not unexpected, that the companies making BPA would deny the validity of the studies showing it to be harmful.

Alberta Gentleman

How scary!

Linda J.
Linda J7 years ago

BPA is deadly.Thanks for this article.

Tmg m.
Tmg m.7 years ago

The health effects of BPA are absolutely terrifying. See this recent blog post on the movie Tapped for more on the topic! (

Melissa O.
Melissa O7 years ago

no wonder i get migraines that would stop a horse! and no wonder little girls who are 7 already have breasts.

this needs to be gotten under control immediately.

ana p.
ana p7 years ago


Marlene Barrett
Marlene Barrett7 years ago

I just am so discouraged at how our country is letting these companies poison us on a regular basis! No wonder ADHD, cancer, obesity, and other diseases are so highly on the rise now! We have the laws set to protect us, why doesn't our government do their job and enforce it!

Jennifer E.
Jennifer E7 years ago

Food manufacturers fit the same greedy parameters of the fast food industry. Industry is about making not caring. So long as they make profits they do not care who they harm in the process. If they did, they would learn about the human body and apply best practice to everything they produce so that it supports life, not damages it. And they would pull out all stops to correct an error when ones is made. Instead, they spend billions on shonky lawyers who are prepared to stand up for their illegal exploitation of human health. What they spend on lawyers, they could use to compensate the people who believed their food was safe to consume.

We all need to go right back to basics and grow what we can with natural fertilisers and sprays - look for ECO, fantastic clean products made with things like seaweed and tea-tree oil;
prepare our food at home;
go to local farmer's markets;
actively ask around you locality for places that stock locally made;
check out who uses chemical sprays etc around where you live;
use as little tinned, canned, packeted etc stuff as possible;
look for things which have the least number of processes - read the ingredient list and you will soon see how much rubbish is in some stuff they market as edible;
if you must use a supermarket, shop in the least manufactured part of the supermarket - around the edges where the fruit, vegetables, butter and eggs are.

I've rambled on long enough! Sorry!

I will be even less likely to use cans now I know a

Rajshree B.
Rajshree B7 years ago

Thanks for the post.