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. Sprinter Repair Costa Mesa


    June 25, 2021 at 17:46 | Report abuse | Reply
  2. Nearby RV Repair

    Excellent post! We are linking to this particularly great post on our website. Keep up the great writing.


    June 25, 2021 at 20:52 | Report abuse | Reply
  3. RV Repair Nearby

    Good day! I just wish to give you a huge thumbs up for your excellent information you have got here on this post. I am coming back to your blog for more soon.


    June 25, 2021 at 21:57 | Report abuse | Reply
  4. RV And Camper Repair Near Me


    June 26, 2021 at 02:43 | Report abuse | Reply
  5. RV Repair Places Near Me

    You've made some really good points there. I looked on the web for additional information about the issue and found most individuals will go along with your views on this site.


    June 26, 2021 at 05:25 | Report abuse | Reply
  6. pharmacepticacom

    cheap sildenafil 20 mg https://pharmaceptica.com/

    June 26, 2021 at 05:49 | Report abuse | Reply
  7. RV Repair Huntington Beach


    June 26, 2021 at 05:59 | Report abuse | Reply
  8. RV Repair Centers Near Me

    When I originally left a comment I appear to have clicked the -Notify me when new comments are added- checkbox and from now on whenever a comment is added I recieve 4 emails with the same comment. There has to be a means you are able to remove me from that service? Appreciate it!


    June 26, 2021 at 06:16 | Report abuse | Reply
  9. Camper Repairs Near Me

    I like it whenever people come together and share views. Great site, continue the good work!


    June 26, 2021 at 08:50 | Report abuse | Reply
  10. Nearest RV Repair

    Hi there! This article could not be written any better! Looking at this article reminds me of my previous roommate! He always kept preaching about this. I most certainly will forward this article to him. Fairly certain he's going to have a great read. I appreciate you for sharing!


    June 26, 2021 at 09:10 | Report abuse | Reply
  11. Domingo Ostrye

    Having read this I thought it was really enlightening. I appreciate you taking the time and effort to put this information together. I once again find myself spending a significant amount of time both reading and leaving comments. But so what, it was still worthwhile!


    June 26, 2021 at 15:25 | Report abuse | Reply
  12. history of english podcast

    Hello there! This post could not be written much better! Going through this article reminds me of my previous roommate! He continually kept talking about this. I am going to send this information to him. Fairly certain he'll have a good read. I appreciate you for sharing!


    June 26, 2021 at 20:07 | Report abuse | Reply
  13. unwell podcast

    Hi, I do think this is an excellent blog. I stumbledupon it 😉 I may revisit once again since i have saved as a favorite it. Money and freedom is the greatest way to change, may you be rich and continue to guide other people.


    June 27, 2021 at 00:31 | Report abuse | Reply
  14. jay shetty podcast

    Way cool! Some extremely valid points! I appreciate you writing this post and also the rest of the site is also really good.


    June 27, 2021 at 02:56 | Report abuse | Reply
  15. Life Church Leadership Podcast


    June 27, 2021 at 05:24 | Report abuse | Reply
  16. Synonym For Leadership


    June 27, 2021 at 09:28 | Report abuse | Reply
  17. What Is Leadership

    I like looking through a post that can make men and women think. Also, thanks for permitting me to comment!


    June 27, 2021 at 12:13 | Report abuse | Reply
  18. Masters In Organizational Leadership


    June 27, 2021 at 13:00 | Report abuse | Reply
  19. Leadership Topics


    June 27, 2021 at 13:41 | Report abuse | Reply
  20. Camper Repair Near Me


    June 27, 2021 at 17:13 | Report abuse | Reply
  21. Luxury Rv Shop

    Good day! I simply would like to give you a huge thumbs up for your great info you've got right here on this post. I am returning to your web site for more soon.


    June 27, 2021 at 22:32 | Report abuse | Reply
  22. RV Repair Mission Viejo


    June 27, 2021 at 22:40 | Report abuse | Reply
  23. Sprinter Van Front Wiper Rust Repair


    June 28, 2021 at 00:18 | Report abuse | Reply
  24. Sprinter Repair Near Me


    June 28, 2021 at 01:23 | Report abuse | Reply
  25. RV Repair San Clemente California


    June 28, 2021 at 02:58 | Report abuse | Reply
  26. Camper Repair Places Near Me


    June 28, 2021 at 06:51 | Report abuse | Reply
  27. Sprinter Repair Costa Mesa

    I'd like to thank you for the efforts you've put in penning this website. I am hoping to check out the same high-grade content from you in the future as well. In truth, your creative writing abilities has motivated me to get my own, personal site now 😉


    June 28, 2021 at 08:36 | Report abuse | Reply
  28. RV Repair Near Me Now

    This site was... how do I say it? Relevant!! Finally I've found something which helped me. Thank you!


    June 28, 2021 at 09:05 | Report abuse | Reply
  29. Sprinter Van Roof Repair

    I must thank you for the efforts you've put in writing this blog. I'm hoping to see the same high-grade content from you later on as well. In truth, your creative writing abilities has inspired me to get my own website now 😉


    June 28, 2021 at 16:59 | Report abuse | Reply
  30. RV Repair Fountain Valley

    Hi there! I simply want to offer you a huge thumbs up for your excellent information you have here on this post. I am returning to your site for more soon.


    June 28, 2021 at 19:18 | Report abuse | Reply
  31. RV Repair Near My Location

    Very good post! We are linking to this great article on our site. Keep up the good writing.


    June 28, 2021 at 20:53 | Report abuse | Reply
  32. 2500 Sprinter Van Repair


    June 28, 2021 at 21:41 | Report abuse | Reply
  33. RV Repair Shops Near Me Now

    Hello, I do think your website might be having web browser compatibility issues. When I look at your blog in Safari, it looks fine but when opening in I.E., it's got some overlapping issues. I simply wanted to provide you with a quick heads up! Apart from that, great site!


    June 28, 2021 at 23:03 | Report abuse | Reply
  34. Camper Repair Shop Near Me

    Hi, I do believe this is a great blog. I stumbledupon it 😉 I am going to come back yet again since I saved as a favorite it. Money and freedom is the best way to change, may you be rich and continue to help other people.


    June 28, 2021 at 23:52 | Report abuse | Reply
  35. RV Repair Shop Near My Location


    June 29, 2021 at 03:20 | Report abuse | Reply
  36. RV Repairs Near My Location


    June 29, 2021 at 04:28 | Report abuse | Reply
  37. RV Repair Fountain Valley


    June 29, 2021 at 05:27 | Report abuse | Reply
  38. Sprinter Repair Orange County


    June 29, 2021 at 06:37 | Report abuse | Reply
  39. pharmaceptica

    http://www.drugs.com side effects https://pharmaceptica.com/

    June 29, 2021 at 07:54 | Report abuse | Reply
  40. Windshield Replacement Shop Near Me

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


    June 29, 2021 at 08:55 | Report abuse | Reply
  41. Mercedes Sprinter Van Service Near Me


    June 29, 2021 at 09:35 | Report abuse | Reply
  42. RV Repairs Near My Location


    June 29, 2021 at 10:13 | Report abuse | Reply
  43. Mercedes Benz Sprinter Repair Service


    June 29, 2021 at 11:20 | Report abuse | Reply
  44. RV Repair Santa Ana

    This is a topic that's near to my heart... Thank you! Where are your contact details though?


    June 29, 2021 at 11:47 | Report abuse | Reply
  45. RV Repair San Clemente California

    Hello there, There's no doubt that your blog may be having web browser compatibility issues. When I look at your blog in Safari, it looks fine however, if opening in I.E., it's got some overlapping issues. I simply wanted to give you a quick heads up! Apart from that, great site!


    June 29, 2021 at 12:17 | Report abuse | Reply
  46. Nissan Luxury Van Repair Shop


    June 29, 2021 at 13:35 | Report abuse | Reply
  47. Mercedes Sprinter Cowel Panel Rust Repair


    June 29, 2021 at 15:37 | Report abuse | Reply
  48. Sprinter Auto Repair


    June 29, 2021 at 17:33 | Report abuse | Reply
  49. best cbd gummies for anxiety

    Im obliged for the article.Really looking forward to read more. Awesome.


    June 29, 2021 at 19:45 | Report abuse | Reply
  50. Nearby RV Repairs

    You ought to be a part of a contest for one of the greatest sites on the internet. I most certainly will highly recommend this blog!


    June 29, 2021 at 19:55 | Report abuse | Reply
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Leave a Reply to RV Repair Santa Ana


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.