home
RSS
Smoking boosts risk for Alzheimer's
October 25th, 2010
04:52 PM ET

Smoking boosts risk for Alzheimer's

Here's yet another reason to stop smoking: It elevates the risk of Alzheimer's disease and vascular dementia, according to a new study.

An analysis of more than 20,000 men and women found a 157 percent heightened risk of Alzheimer's disease in people who had smoked more than two packs of cigarettes a day. For vascular dementia, the second most common form of dementia, these smokers had a 172 percent increased risk.

"Dementia is a disease that crops up in late life, and that becomes clinically apparent, but I think people really need to think about risk factors for it over the life course," said Rachel Whitmer, study co-author and research scientist with Kaiser Permanente Division of Research in Oakland, California.

The study, sponsored by Kaiser Permanente, is published in the Archives of Internal Medicine.

Researchers say the association between smoking and various forms of dementia is strong, but they do not know exactly why. It has been shown before that people who smoke are more likely to have hypertension and cerebral vascular disease, as well as inflammation, Whitmer said. Smoking may contribute to the damage of brain blood vessels in addition to brain cells, she said.

The data came from Kaiser Permanente Northern California members surveyed between 1978 and 1985. At that time, they were between ages 50 and 60. Diagnoses of various forms of dementia among these people were made from 1994 to 2008, and researchers took that information from electronic health records. The participants in this study were all alive and still members of the health plan in 1994.

Researchers found that associations with the development of the disease are more modest among smokers who use up fewer than two packs a day, but still significant. Those who smoked a half-pack to one pack a day had an overall 37 percent elevated risk of dementia, and those who smoked between one and two packs had a 44 percent heightened risk, compared to non-smokers.

But this could be an underestimation, because some smokers who would have developed dementia died before diagnosis, said Kenneth Hepburn, associate dean for research at the Emory University School of Nursing, who was not involved in the study.

The reported risk of dementia among heavy smokers is also likely an underestimation because many of those people will die before they're old enough to develop dementia, he said.

While the elevated risk for various forms of dementia was shown for those smoking two packs a day in midlife, smoking less than half a pack of cigarettes a day, or having smoked in the past, did not appear to raise the risk compared with nonsmokers.

Hepburn found the study compelling, and noted that it incorporated an ethnically diverse population of both men and women.

"This gives great confidence in saying this kind of heavy smoking has some kind of association – and it looks like a fairly strong association – with the development of the disease," he said.

One limitation of the study is that researchers collected data only about smoking habits among middle-aged people; it did not look at what happened among those who had quit after the initial survey, Whitmer said.

The research speaks to what the Alzheimer's Association Maintain Your Brain campaign is promoting: that brain health has a lot to do with overall health, Hepburn said.

"The brain is part of the body, it’s part of the whole and if you assault parts, it’s going to have an impact on the whole," he said.


soundoff (2,242 Responses)
  1. 부산출장안마

    Nice post. I learn something new and challenging on sites I stumbleupon on a daily basis. It will always be interesting to read articles from other writers and use a little something from their websites.

    https://diigo.com/0kci0l

    June 24, 2021 at 14:03 | Report abuse | Reply
  2. 출장

    Very nice blog post. I certainly appreciate this website. Keep it up!

    http://msichat.de/redir.php?url=https://coub.com/j1ttdjn364

    June 24, 2021 at 14:08 | Report abuse | Reply
  3. 출장

    Saved as a favorite, I like your site!

    https://hikvisiondb.webcam/wiki/How_Acupressure_Can_Treat_Your_Illnesses

    June 24, 2021 at 15:24 | Report abuse | Reply
  4. 부산 출장안마

    I like reading a post that can make people think. Also, thanks for allowing for me to comment!

    https://findery.com/u6zhixe113

    June 24, 2021 at 16:09 | Report abuse | Reply
  5. 부산 출장안마

    Greetings! Very useful advice in this particular article! It is the little changes which will make the biggest changes. Many thanks for sharing!

    http://sonic.akademitelkom.ac.id/member.php?action=profile&uid=113858

    June 24, 2021 at 17:04 | Report abuse | Reply
  6. 부산출장

    Everything is very open with a clear explanation of the challenges. It was really informative. Your website is useful. Many thanks for sharing!

    http://qa.pandora-2.com/index.php?qa=user&qa_1=castsauce33

    June 24, 2021 at 17:05 | Report abuse | Reply
  7. pharmaceptica.com

    tadalafil dosage bodybuilding https://pharmaceptica.com/

    June 24, 2021 at 17:59 | Report abuse | Reply
  8. 부산출장안마

    Hi, I do think this is an excellent web site. I stumbledupon it 😉 I will revisit yet again since i have book-marked it. Money and freedom is the greatest way to change, may you be rich and continue to guide others.

    http://www.tradeportalofindia.org/CountryProfile/Redirect.aspx?hidCurMenu=divOthers&CountryCode=32&CurrentMenu=IndiaandEU&Redirecturl=https://penzu.com/p/b2c4ca9d

    June 24, 2021 at 18:20 | Report abuse | Reply
  9. 부산 출장

    Everything is very open with a precise explanation of the issues. It was truly informative. Your site is very useful. Thanks for sharing!

    http://abroadsanjal.com/index.php?qa=user&qa_1=weedchin29

    June 24, 2021 at 20:06 | Report abuse | Reply
  10. 출장안마

    A motivating discussion is definitely worth comment. I do think that you should write more on this issue, it might not be a taboo matter but typically people don't speak about these topics. To the next! Kind regards!!

    http://xurl.es/oyjyr

    June 24, 2021 at 20:36 | Report abuse | Reply
  11. 출장안마

    An outstanding share! I've just forwarded this onto a co-worker who has been doing a little research on this. And he in fact bought me dinner simply because I stumbled upon it for him... lol. So allow me to reword this.... Thank YOU for the meal!! But yeah, thanx for spending time to talk about this issue here on your internet site.

    http://classi360.com/user/profile/27885

    June 24, 2021 at 20:56 | Report abuse | Reply
  12. 출장

    Next time I read a blog, Hopefully it doesn't fail me as much as this one. I mean, Yes, it was my choice to read through, however I truly thought you would have something interesting to say. All I hear is a bunch of complaining about something that you could possibly fix if you weren't too busy seeking attention.

    https://www.ulule.com/casino7f1eqoga483/

    June 24, 2021 at 21:10 | Report abuse | Reply
  13. 부산출장마사지

    Oh my goodness! Awesome article dude! Thanks, However I am having issues with your RSS. I donít understand the reason why I am unable to subscribe to it. Is there anybody having the same RSS problems? Anyone who knows the solution will you kindly respond? Thanx!!

    http://v.miqiu.com/url/?url=http://massageanma3franciscoakny271.unblog.fr/2021/04/24/7-things-about-ebb680ec82b0ecb69cec9ea5eba788ec82aceca780-youll-kick-yourself-for-not-knowing/

    June 24, 2021 at 21:54 | Report abuse | Reply
  14. 출장마사지

    Spot on with this write-up, I honestly believe that this website needs a lot more attention. Iíll probably be back again to see more, thanks for the info!

    http://kakaku.com/jump/?url=https://k-anma.com/

    June 24, 2021 at 21:58 | Report abuse | Reply
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45

Leave a Reply to 퍼스트카지노주소


 

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.

Advertisement
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.