Featured Research

from universities, journals, and other organizations

Can Fish Intake Predict Chances Of Developing Dementia?

Date:
January 3, 2007
Source:
USDA/Agricultural Research Service
Summary:
People who ate the most fish on a weekly basis -- putting them in the top quarter of a study population -- were nearly 50 percent less likely to develop the mental deterioration known as dementia over time than participants in any of the other three quarters. The observational study was led by Ernst J. Schaefer, an Agricultural Research Service-funded scientist. ARS is the U.S. Department of Agriculture's chief scientific research agency.

People who ate the most fish on a weekly basis -- putting them in the top quarter of a study population -- were nearly 50 percent less likely to develop the mental deterioration known as dementia over time than participants in any of the other three quarters.

Related Articles


The observational study was led by Ernst J. Schaefer, an Agricultural Research Service-funded scientist. ARS is the U.S. Department of Agriculture's chief scientific research agency. Schaefer is a physician specializing in nutrition and health with the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University in Boston, Mass.

He and co-authors were looking for a relationship between blood levels of the fatty acid DHA and the risk of developing dementia. DHA is short for docosahexaenoic acid, a so-called "heart-healthy" omega-3 fatty acid. Several different studies have linked either low DHA, or low fish intake levels, with the incidence of dementia.

The study was published in the November 13 issue of the Archives of Neurology. Schaefer and colleagues analyzed available dietary questionnaires and blood levels of DHA of nearly 900 men and women, aged 55 to 88, who participated in the longitudinal Framingham (Mass.) Heart Study.

At the beginning of a nine-year period, all of the participants were found to be free of dementia. Using proportional regression analysis, the researchers determined the relative impact not only of blood levels of DHA, but also of potential "confounding" variables such as age, gender, homocysteine and apolipoprotein-E levels, genotype and education.

They found that the participants who reported consuming an average of about three servings of oily fish a week--equivalent to blood levels of DHA at 180 milligrams daily--were associated with a significantly reduced risk of developing dementia of all types, including Alzheimer's disease. No other fatty acid blood level was independently linked to the risk of dementia.

The study suggests that relatively higher fish consumption over time correlates with a lower incidence of dementia in the over-55 set.


Story Source:

The above story is based on materials provided by USDA/Agricultural Research Service. Note: Materials may be edited for content and length.


Cite This Page:

USDA/Agricultural Research Service. "Can Fish Intake Predict Chances Of Developing Dementia?." ScienceDaily. ScienceDaily, 3 January 2007. <www.sciencedaily.com/releases/2007/01/070102140034.htm>.
USDA/Agricultural Research Service. (2007, January 3). Can Fish Intake Predict Chances Of Developing Dementia?. ScienceDaily. Retrieved November 27, 2014 from www.sciencedaily.com/releases/2007/01/070102140034.htm
USDA/Agricultural Research Service. "Can Fish Intake Predict Chances Of Developing Dementia?." ScienceDaily. www.sciencedaily.com/releases/2007/01/070102140034.htm (accessed November 27, 2014).

Share This


More From ScienceDaily



More Health & Medicine News

Thursday, November 27, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Pet Dogs to Be Used in Anti-Ageing Trial

Pet Dogs to Be Used in Anti-Ageing Trial

Reuters - Innovations Video Online (Nov. 26, 2014) — Researchers in the United States are preparing to discover whether a drug commonly used in human organ transplants can extend the lifespan and health quality of pet dogs. Video provided by Reuters
Powered by NewsLook.com
Today's Prostheses Are More Capable Than Ever

Today's Prostheses Are More Capable Than Ever

Newsy (Nov. 26, 2014) — Advances in prosthetics are making replacement body parts stronger and more lifelike than they’ve ever been. Video provided by Newsy
Powered by NewsLook.com
From Popcorn To Vending Snacks: FDA Ups Calorie Count Rules

From Popcorn To Vending Snacks: FDA Ups Calorie Count Rules

Newsy (Nov. 25, 2014) — The US FDA is announcing new calorie rules on Tuesday that will require everywhere from theaters to vending machines to include calorie counts. Video provided by Newsy
Powered by NewsLook.com
Daily Serving Of Yogurt Could Reduce Risk Of Type 2 Diabetes

Daily Serving Of Yogurt Could Reduce Risk Of Type 2 Diabetes

Newsy (Nov. 25, 2014) — Need another reason to eat yogurt every day? Researchers now say it could reduce a person's risk of developing type 2 diabetes. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
 
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:  

Breaking News:

Strange & Offbeat Stories

 

Health & Medicine

Mind & Brain

Living & Well

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:  

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile iPhone Android Web
Follow Facebook Twitter Google+
Subscribe RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins