Study finds link between BPA and asthma
BPA can be found on the inside of the food cans that line supermarket shelves.
March 1st, 2013
07:51 AM ET

Study finds link between BPA and asthma

The list of products containing bisphenol A is pretty long: it coats the inside of the food cans; it can be found in certain plastic containers; it is sometimes found on cash register receipts.

And the list of maladies linked to the chemical is growing longer.

The latest study, by researchers at the Columbia Center for Children's Environmental Health, suggests a possible connection between BPA detected in urine samples of children and later problems with breathing.

The study

A group of 568 mothers and their children had urine samples taken - the mothers during the third trimester of pregnancy and the children at different intervals after they were born. The samples were then tested for BPA. Researchers found what can, at best, be described as a group of positive associations (not cause and effect) between BPA and breathing problems.

The results

A child's chances of suffering with asthma were increased if BPA was detected in their urine samples at ages 3, 5 and 7. In addition, when BPA was measured in urine at age 3, the chances of wheezing by ages 5 and 6 were increased. Same thing for 7-year-olds: BPA meant later problems with wheezing.

An exception to the findings occurred among children with BPA measured in their urine at 5 years of age; those children did not have problems with wheezing during follow-ups one or two years later.

"What is important is that we were seeing the association at routine low doses of exposure," said Dr. Kathleen Donohue, the lead study author.


One anomalous finding in the study, published Friday in the Journal of Allergy and Clinical Immunology: If BPA was detected in a mother's urine during her third trimester of pregnancy, there was less likelihood that her child would have breathing problems at age five - the opposite of what researchers expected.

That finding also contradicts data, presented two years ago by the Penn State College of Medicine, suggesting that high BPA levels found during the 16th week of pregnancy are associated with an increased risk of wheezing in children until age three. (One key difference between the two studies is that urine samples were taken from the pregnant women during different trimesters.)


The whole relationship between BPA - which is believed to be present in almost everyone in the United States because the chemical is in so many products - and ill health is a subject of debate.

On one hand there is a community of researchers finding associations between the chemical and things like childhood obesity and behavior problems. On the other are industry groups that routinely question the methodology and viability of these studies.

Somewhere in the middle are government agencies, which consider BPA to be a product of concern, but stop short of calling it dangerous.

So this latest study suggests another layer of understanding about the possible health effects of BPA, but it is far from definitive. The best that this, or any other study, can offer is a possibility.

Donohue believes that this data will be strengthened by similar studies. Then there might be a firmer ground on which to prop these findings. Until then, she reiterates that the study suggests, "an association, not causation. But it does suggest that BPA may increase asthma."

soundoff (666 Responses)
  1. trailer supplies orange county

    Excellent web site you have got here.. It’s difficult to find excellent writing like yours these days. I seriously appreciate people like you! Take care!!


    May 6, 2021 at 17:35 | Report abuse | Reply
  2. Kegs Of Angry Orchard


    May 6, 2021 at 18:07 | Report abuse | Reply
  3. Forklift Rental Orange County


    May 6, 2021 at 19:08 | Report abuse | Reply
  4. New Forklift Service California


    May 6, 2021 at 23:33 | Report abuse | Reply
  5. Forklift Rental Los Angeles

    Good day! I just wish to give you a huge thumbs up for the excellent info you've got here on this post. I will be returning to your blog for more soon.


    May 7, 2021 at 01:29 | Report abuse | Reply
  6. shoe repair near me


    May 7, 2021 at 04:19 | Report abuse | Reply
  7. rv wrap vs paint

    Everything is very open with a very clear clarification of the challenges. It was truly informative. Your website is very useful. Thanks for sharing!


    May 7, 2021 at 06:44 | Report abuse | Reply
  8. Forklift Service Los Angeles

    Having read this I believed it was rather enlightening. I appreciate you finding the time and effort to put this article together. I once again find myself spending way too much time both reading and leaving comments. But so what, it was still worthwhile!


    May 7, 2021 at 08:53 | Report abuse | Reply
  9. Beer Tasting Boise


    May 7, 2021 at 08:53 | Report abuse | Reply
  10. horse trailer repair near me

    Hi, I do think this is a great blog. I stumbledupon it 😉 I may revisit once again since i have bookmarked it. Money and freedom is the best way to change, may you be rich and continue to help other people.


    May 7, 2021 at 19:58 | Report abuse | Reply
  11. Seo Marketing California


    May 7, 2021 at 23:23 | Report abuse | Reply
  12. geico near me

    You are so awesome! I do not suppose I have read a single thing like that before. So nice to discover somebody with unique thoughts on this issue. Really.. many thanks for starting this up. This web site is something that's needed on the web, someone with a little originality!


    May 7, 2021 at 23:44 | Report abuse | Reply
  13. Internet Marketing Job San Clemente

    Your style is unique compared to other folks I have read stuff from. I appreciate you for posting when you have the opportunity, Guess I will just book mark this web site.


    May 8, 2021 at 02:23 | Report abuse | Reply
  14. Digital Marketing Agencies Near Me

    Howdy! I just would like to offer you a huge thumbs up for the excellent information you have here on this post. I will be returning to your web site for more soon.


    May 8, 2021 at 07:59 | Report abuse | Reply
  15. Internet Marketing Association


    May 8, 2021 at 12:05 | Report abuse | Reply
  16. Digital Marketing Agencies Near Me


    May 8, 2021 at 13:32 | Report abuse | Reply
  17. horse trailers california


    May 8, 2021 at 14:22 | Report abuse | Reply
  18. Video Marketing Programs


    May 8, 2021 at 15:09 | Report abuse | Reply
  19. Digital Marketing Events Near Me

    After looking over a handful of the articles on your web page, I seriously like your way of writing a blog. I added it to my bookmark webpage list and will be checking back in the near future. Please visit my website as well and tell me how you feel.


    May 8, 2021 at 18:56 | Report abuse | Reply
  20. Local Marketing Help


    May 9, 2021 at 03:32 | Report abuse | Reply
  21. Video Marketing Jobs


    May 9, 2021 at 07:07 | Report abuse | Reply
  22. Internet Marketing Experts

    Excellent post. I'm facing a few of these issues as well..


    May 9, 2021 at 07:47 | Report abuse | Reply
  23. RV Mechanics California


    May 9, 2021 at 08:26 | Report abuse | Reply
  24. Digital Marketing Specialists

    You ought to be a part of a contest for one of the best websites on the web. I will highly recommend this site!


    May 9, 2021 at 10:28 | Report abuse | Reply
  25. RV Bedroom Los Angeles


    May 9, 2021 at 11:06 | Report abuse | Reply
  26. RV Frame Los Angeles

    Pretty! This was an extremely wonderful post. Many thanks for providing this info.


    May 9, 2021 at 16:05 | Report abuse | Reply
  27. RV Bedroom Near Me


    May 9, 2021 at 16:52 | Report abuse | Reply
  28. Content Marketing Orange County


    May 9, 2021 at 19:19 | Report abuse | Reply
  29. Dori Sahm

    Have you ever heard of second life (sl for short). It is essentially a online game where you can do anything you want. SL is literally my second life (pun intended lol). If you want to see more you can see these second life websites and blogs


    May 10, 2021 at 09:34 | Report abuse | Reply
  30. Social Media Marketing Firms Near Me


    May 10, 2021 at 17:02 | Report abuse | Reply
  31. Digital Marketing Help

    An outstanding share! I have just forwarded this onto a colleague who had been doing a little research on this. And he in fact bought me breakfast due to the fact that I found it for him... lol. So allow me to reword this.... Thank YOU for the meal!! But yeah, thanks for spending some time to discuss this issue here on your web page.


    May 10, 2021 at 19:52 | Report abuse | Reply
  32. Internet Marketing Quotes

    I blog frequently and I truly thank you for your information. Your article has truly peaked my interest. I will take a note of your site and keep checking for new details about once per week. I opted in for your Feed as well.


    May 10, 2021 at 20:54 | Report abuse | Reply
  33. Content Marketing Quote

    Good info. Lucky me I ran across your blog by accident (stumbleupon). I have saved as a favorite for later!


    May 10, 2021 at 21:57 | Report abuse | Reply
  34. Content Marketing Brea


    May 10, 2021 at 23:21 | Report abuse | Reply
  35. Social Media Marketing Company California


    May 10, 2021 at 23:45 | Report abuse | Reply
  36. Social Media Marketing Associations

    It’s difficult to find educated people in this particular subject, however, you seem like you know what you’re talking about! Thanks


    May 11, 2021 at 00:45 | Report abuse | Reply
  37. Social Media Marketing Consultants


    May 11, 2021 at 00:57 | Report abuse | Reply
  38. Internet Marketing Company Near Me

    I was pretty pleased to discover this great site. I need to to thank you for ones time due to this wonderful read!! I definitely liked every part of it and I have you book-marked to check out new things in your website.


    May 11, 2021 at 03:17 | Report abuse | Reply
  39. Content Marketing Services


    May 11, 2021 at 03:33 | Report abuse | Reply
  40. Content Marketing California

    Saved as a favorite, I love your website!


    May 11, 2021 at 07:29 | Report abuse | Reply
  41. Internet Marketing Mentor

    After I originally commented I appear to have clicked on the -Notify me when new comments are added- checkbox and from now on every time a comment is added I recieve four emails with the exact same comment. Perhaps there is an easy method you can remove me from that service? Cheers!


    May 11, 2021 at 08:47 | Report abuse | Reply
  42. Content Marketing Firm


    May 11, 2021 at 12:07 | Report abuse | Reply
  43. Video Marketing Quotes


    May 11, 2021 at 14:21 | Report abuse | Reply
  44. Internet Marketing Job San Clemente

    Howdy, I believe your web site could possibly be having internet browser compatibility problems. When I look at your blog in Safari, it looks fine however, if opening in Internet Explorer, it's got some overlapping issues. I just wanted to give you a quick heads up! Other than that, excellent website!


    May 11, 2021 at 15:43 | Report abuse | Reply
  45. Video Marketing Pros

    I'm more than happy to uncover this great site. I want to to thank you for ones time due to this fantastic read!! I definitely savored every part of it and i also have you book-marked to look at new stuff on your blog.


    May 11, 2021 at 16:57 | Report abuse | Reply
  46. horse trailer service


    May 11, 2021 at 20:50 | Report abuse | Reply
  47. Darren Wackenheim

    This was awesome! I would like you to clean up all this spam though


    May 11, 2021 at 21:37 | Report abuse | Reply
  48. RV Remodel California


    May 12, 2021 at 01:38 | Report abuse | Reply
  49. rv solar installation near me

    Excellent web site you've got here.. It’s hard to find high quality writing like yours nowadays. I seriously appreciate individuals like you! Take care!!


    May 12, 2021 at 03:56 | Report abuse | Reply
  50. orange county trailer repair


    May 12, 2021 at 04:08 | Report abuse | Reply
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Leave a Reply to Sprinter Van Repair Shop


CNN welcomes a lively and courteous discussion as long as you follow the Rules of Conduct set forth in our Terms of Service. Comments are not pre-screened before they post. You agree that anything you post may be used, along with your name and profile picture, in accordance with our Privacy Policy and the license you have granted pursuant to our Terms of Service.

About this blog

Get a behind-the-scenes look at the latest stories from CNN Chief Medical Correspondent, Dr. Sanjay Gupta, Senior Medical Correspondent Elizabeth Cohen and the CNN Medical Unit producers. They'll share news and views on health and medical trends - info that will help you take better care of yourself and the people you love.

March 2013
  • An error has occurred, which probably means the feed is down. Try again later.