Do cell phones cause behavioral problems?
December 7th, 2010
12:01 AM ET

Do cell phones cause behavioral problems?

Evidence of harm from cell phones continues to emerge: First there was the possible cancer link, and now there's suggestion that those little hand-held devices may affect children's behavior.

Children who had exposure to cell phones both in the womb and after birth, up to age 7  had a higher likelihood of behavioral problems than those who had no exposure, researchers said in a new study in the Journal of Epidemiology & Community Health.

The behavioral problems include hyperactivity and attention and social issues.

"These are important findings, but we are just at the beginnings of learning about potential effects of cell phones," said Leeka Kheifets, of the Department of Epidemiology at the University of California, Los Angeles, School of Public Health.

Kheifets and colleagues had previously found similar results in a smaller sample, of 13,000 children from the Danish National Birth Cohort. But she said that analysis needed further scrutiny because the mothers in it had been among the earliest adopters of cell phones, she said.

In this study, the researchers looked at more than 28,000 children. More than 10 percent of children who had prenatal exposure to cell phones had mothers who said they spoke on their cell phones four times a day or more. Nearly 50 percent of mothers said they had a cell phone turned on at all times.   Again, these figures are based on self-reporting by the mothers who participated in the study.

They found that, as with the previous study, the more frequently a mother used a cell phone, the greater the risk that her child would have a behavioral problem. This time around, they also ruled out a family history of behavioral problems, as well as the inattention of the mother. Cell phone use and behavior problems were not related to time breast feeding and spent with the child, either, the researchers found.

The association between cell phone exposure is not terribly strong, Kheifets said. Also, the authors do not yet know the mechanism behind the connection between cell phones and behavioral problems. One theory is that cell phone use may lead to excess secretion of the hormone melatonin, which can affect the mother's metabolism and may influence the development of the fetus's brain. But this is just a speculation, Kheifets said.

There is also no way to know whether the mothers were telling the truth about the amount of cell phone time they had. It's impossible to tell from this research whether cell phone exposure really causes behavioral problems.

Still, given how many people use cell phones in the world, it's important to keep an eye on possible harms, Kheifets said. She recommends limiting exposure to radiation through the use of hands-free devices.

soundoff (840 Responses)
  1. 2008 Dodge Sprinter Exhaust Repair

    Hello there! This blog post couldn’t be written any better! Reading through this article reminds me of my previous roommate! He always kept talking about this. I will forward this post to him. Fairly certain he's going to have a very good read. Thanks for sharing!


    May 12, 2021 at 08:40 | Report abuse | Reply
  2. RV Lighting Near Me

    Everyone loves it when folks get together and share ideas. Great website, keep it up!


    May 12, 2021 at 09:44 | Report abuse | Reply
  3. california collision center lancaster


    May 12, 2021 at 10:21 | Report abuse | Reply
  4. RV Maintenance Los Angeles

    It’s difficult to find knowledgeable people on this topic, however, you seem like you know what you’re talking about! Thanks


    May 12, 2021 at 13:08 | Report abuse | Reply
  5. RV Entertainment System California


    May 12, 2021 at 13:21 | Report abuse | Reply
  6. mission hills collision center

    Spot on with this write-up, I really think this website needs far more attention. I’ll probably be returning to read through more, thanks for the information!


    May 12, 2021 at 13:54 | Report abuse | Reply
  7. rv fiberglass repair

    Nice post. I learn something new and challenging on websites I stumbleupon on a daily basis. It will always be exciting to read through articles from other authors and practice a little something from other web sites.


    May 12, 2021 at 13:55 | Report abuse | Reply
  8. toy hauler furniture


    May 12, 2021 at 14:58 | Report abuse | Reply
  9. windshield repair fullerton


    May 12, 2021 at 15:17 | Report abuse | Reply
  10. RV Entertainment System Los Angeles

    Hi! I could have sworn I’ve been to this blog before but after browsing through many of the posts I realized it’s new to me. Anyhow, I’m certainly pleased I stumbled upon it and I’ll be book-marking it and checking back often!


    May 12, 2021 at 15:22 | Report abuse | Reply
  11. horse trailer service


    May 12, 2021 at 17:07 | Report abuse | Reply
  12. trailer supply orange county


    May 12, 2021 at 18:08 | Report abuse | Reply
  13. local rv repair shops

    I love it when people come together and share opinions. Great blog, stick with it!


    May 12, 2021 at 18:56 | Report abuse | Reply
  14. Sprinter Van Repair Shop


    May 12, 2021 at 19:09 | Report abuse | Reply
  15. Mercedes Sprinter Brake Caliper Repair Kit


    May 12, 2021 at 21:05 | Report abuse | Reply
  16. la palma rv

    Saved as a favorite, I like your site!


    May 12, 2021 at 23:09 | Report abuse | Reply
  17. windshield replacement lake forest


    May 13, 2021 at 00:59 | Report abuse | Reply
  18. RV Wraps Los Angeles

    I like it when individuals come together and share ideas. Great site, continue the good work!


    May 13, 2021 at 01:14 | Report abuse | Reply
  19. RV Slide Out California


    May 13, 2021 at 03:20 | Report abuse | Reply
  20. rv toilet parts near me


    May 13, 2021 at 03:42 | Report abuse | Reply
  21. rv slide repair

    Right here is the perfect site for anybody who hopes to understand this topic. You realize a whole lot its almost hard to argue with you (not that I actually would want to…HaHa). You certainly put a fresh spin on a subject which has been written about for decades. Excellent stuff, just excellent!


    May 13, 2021 at 04:30 | Report abuse | Reply
  22. Sprinter Rv Repair Near Here


    May 13, 2021 at 06:40 | Report abuse | Reply
  23. Van Door Repair

    There is definately a lot to learn about this topic. I like all of the points you've made.


    May 13, 2021 at 08:01 | Report abuse | Reply
  24. rv repair services near me

    I couldn’t refrain from commenting. Exceptionally well written!


    May 13, 2021 at 08:14 | Report abuse | Reply
  25. fiberglass repair shops


    May 13, 2021 at 08:51 | Report abuse | Reply
  26. Van Dent Repair


    May 13, 2021 at 09:33 | Report abuse | Reply
  27. RV Shades Los Angeles

    This is a really good tip particularly to those new to the blogosphere. Short but very precise info… Thanks for sharing this one. A must read article!


    May 13, 2021 at 10:40 | Report abuse | Reply
  28. temecula roof repair


    May 13, 2021 at 11:05 | Report abuse | Reply
  29. toilet repair near me

    Very good blog post. I definitely love this site. Keep it up!


    May 13, 2021 at 11:18 | Report abuse | Reply
  30. rv repair orange county ca

    Aw, this was an exceptionally nice post. Spending some time and actual effort to produce a superb article… but what can I say… I hesitate a lot and never manage to get nearly anything done.


    May 13, 2021 at 14:08 | Report abuse | Reply
  31. storno brzinol

    You have brought up a very fantastic details, thankyou for the post.


    May 13, 2021 at 14:36 | Report abuse | Reply
  32. rv repair materials


    May 13, 2021 at 15:13 | Report abuse | Reply
  33. Chevy Venture Van Repair


    May 13, 2021 at 15:36 | Report abuse | Reply
  34. Mercedes Sprinter Cowel Panel Rust Repair

    The next time I read a blog, Hopefully it won't fail me as much as this one. I mean, I know it was my choice to read through, nonetheless I really believed you would probably have something useful to say. All I hear is a bunch of moaning about something that you could fix if you weren't too busy seeking attention.


    May 13, 2021 at 22:01 | Report abuse | Reply
  35. blind repair orange county

    I used to be able to find good info from your blog articles.


    May 14, 2021 at 02:36 | Report abuse | Reply
  36. motorhome shops near me


    May 14, 2021 at 07:44 | Report abuse | Reply
  37. auto paint supply orange county

    You need to be a part of a contest for one of the most useful websites on the net. I most certainly will highly recommend this website!


    May 14, 2021 at 09:50 | Report abuse | Reply
  38. RV Bathroom Los Angeles


    May 14, 2021 at 11:10 | Report abuse | Reply
  39. house for sale around me

    Right here is the perfect site for anyone who wants to find out about this topic. You understand a whole lot its almost hard to argue with you (not that I really would want to…HaHa). You definitely put a brand new spin on a topic that's been discussed for ages. Great stuff, just wonderful!


    May 14, 2021 at 15:56 | Report abuse | Reply
  40. Computer Glasses

    There's certainly a lot to learn about this topic. I love all the points you've made.


    May 14, 2021 at 17:37 | Report abuse | Reply
  41. property for sale hayden lake idaho

    Way cool! Some extremely valid points! I appreciate you penning this write-up plus the rest of the site is also very good.


    May 14, 2021 at 23:07 | Report abuse | Reply
  42. Maserati Body Kit

    I’m impressed, I have to admit. Seldom do I encounter a blog that’s both educative and amusing, and let me tell you, you've hit the nail on the head. The problem is an issue that not enough men and women are speaking intelligently about. I am very happy I stumbled across this in my search for something relating to this.


    May 14, 2021 at 23:41 | Report abuse | Reply
  43. brimonidine

    combigan cost combigan bottle sizecombigan

    May 15, 2021 at 07:46 | Report abuse | Reply
  44. Bifocal Contacts

    Having read this I believed it was extremely informative. I appreciate you finding the time and effort to put this information together. I once again find myself personally spending a significant amount of time both reading and leaving comments. But so what, it was still worth it!


    May 15, 2021 at 09:34 | Report abuse | Reply
  45. home for sale near my location

    Howdy! I simply want to give you a huge thumbs up for the excellent information you have got here on this post. I will be coming back to your site for more soon.


    May 15, 2021 at 09:55 | Report abuse | Reply
  46. Maserati Leasing Prices


    May 15, 2021 at 09:59 | Report abuse | Reply
  47. Best Eye Doctor Near Me

    After looking into a handful of the blog posts on your blog, I seriously like your way of writing a blog. I added it to my bookmark website list and will be checking back in the near future. Please check out my website as well and let me know your opinion.


    May 15, 2021 at 10:25 | Report abuse | Reply
  48. Maserati Granturismo Black


    May 15, 2021 at 13:50 | Report abuse | Reply
  49. Best Eye Doctor Near Me

    Oh my goodness! Incredible article dude! Thank you so much, However I am experiencing issues with your RSS. I don’t know why I cannot subscribe to it. Is there anybody having the same RSS problems? Anyone who knows the answer can you kindly respond? Thanx!!


    May 15, 2021 at 15:59 | Report abuse | Reply
  50. paint job shops near me


    May 15, 2021 at 16:05 | Report abuse | Reply
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Post a comment


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.

December 2010
  • An error has occurred, which probably means the feed is down. Try again later.