Omega-3 fatty acids help prevent dementia, U.S. study suggests

Thursday, November 16, 2006 by: Ben Kage
Tags: omega-3 fatty acids, dementia, Alzheimer's

eTrust Pro Certified

Most Viewed Articles
Popular on Facebook
BACK INTO THE CLOSET: Why U.S. reporters are not allowed to write about rainbow events in nations where being gay is still condemned
Depopulation test run? 75% of children who received vaccines in Mexican town now dead or hospitalized
A family destroyed: Six-month-old dies after clinic injects baby with 13 vaccines at once without mother's informed consent
INVESTIGATION: Three days before Dr. Bradstreet was found dead in a river, U.S. govt. agents raided his research facility to seize a breakthrough cancer treatment called GcMAF
BAM! Chipotle goes 100% non-GMO; flatly rejecting the biotech industry and its toxic food ingredients
BOMBSHELL: China and America already at war: Tianjin explosion carried out by Pentagon space weapon in retaliation for Yuan currency devaluation... Military helicopters now patrolling Beijing
ECONOMIC SLAVERY FOR ALL: While we were distracted with the Confederate flag flap, Congress quietly forfeited our entire economic future via fast-track trade authority
March Against Monsanto explodes globally... World citizens stage massive protests across 38 countries, 428 cities... mainstream media pretends it never happened
GMO crops totally banned in Russia... powerful nation blocks Monsanto's agricultural imperialism and mass poisoning of the population
SCOTUS same-sex marriage decision may have just legalized the concealed carry of loaded firearms across all 50 states, nullifying gun laws everywhere
Nearly every mass shooting in the last 20 years shares one surprising thing? and it's not guns
Vicious attack on Dr. Oz actually waged by biotech mafia; plot to destroy Oz launched after episode on glyphosate toxicity went viral
Holistic cancer treatment pioneer Dr. Nicholas Gonzalez dies suddenly; patients mourn the loss of a compassionate, innovative doctor who helped thousands heal from cancer
Pepsi drops aspartame from diet soda as consumers reject toxic sweetener
Bride of Frankenfood: Hillary Clinton pushes GMO agenda... hires Monsanto lobbyist... takes huge dollars from Monsanto
STATINS RED ALERT: Widely prescribed drugs act as cellular poisons that accelerate aging... deactivate DNA repair... promote diabetes, muscle fatigue and memory loss
Mind control through emotional domination: How we're all being manipulated by the "crisis of the NOW"
Wild eyes and bowl cuts: Why do mass shooters always share the same hair styles and crazed zombie stares?
(NaturalNews) A study by researchers at Tufts University in Boston has added to growing evidence that suggests increased levels of the omega-3 fatty acid docosahexaenioc acid (DHA) in the blood can significantly lower the risk of dementia and Alzheimer's disease.

"Subjects with baseline plasma PC DHA levels in the upper quartile experienced a significant 47 percent lower risk of dementia compared with participants with levels in the lower three quartiles," wrote lead author Ernst Schaefer.

The study, published in the Archives of Neurology, comes only a month after scientists from Karolinska University Hospital Huddinge in Sweden reported -- in the same medical journal -- that omega-3 acids might slow the mental decline of people with mild Alzheimer's, although no effect was observed in people with advanced cases.

The Tufts study analyzed the blood of 899 men and women with an average age of 76 -- all participating in the population-based Framingham Heart Study -- and looked at the association between dementia and DHA levels. All participants were free of dementia at the beginning of the study, and underwent neuropsychological testing after giving their initial blood sample. A subgroup of 488 participants also filled out a semi-quantitative 126-item food frequency questionnaire (FFQ) that assessed their diet, especially their level of fish consumption.

Roughly nine years of follow up studies later -- and after taking other risk factors such as age and homycysteine levels -- the participants were split into quartiles based on their levels of DHA in the blood. The quartile with the highest DHA levels had a 47 percent lower risk of developing dementia and 39 percent lower risk of developing Alzheimer's disease than the remaining three quartiles.

The participants in the top quartile reported on their FFQ that they ate an average of 0.18 grams of DHA daily, and an average of 2.9 servings of fish a week. The other three quartiles reported substancially less fish in their diets, eating between 1.3 and 2.3 servings a week.

"In our study, the correlation between (blood) DHA content and fish intake was significant, indicating that fish intake is an important source of dietary DHA," wrote the authors.

While the Tufts study did not use mechanistic processes to elucidate the benefits of DHA, previous studies have shown that DHA is involved in the membrane of ion channels in the brain, which allows them to change shape easier and transmit electrical signals. Other limitations of the study include only taking DHA measurements once and only having dietary data on a subset of the participants.

"In the future, it will also be important to determine whether combined dietary supplementation with DHA can decrease further mental deterioration in patients with established dementia," concluded the researchers.

Rush University Medical Center, Chicago's Martha Clare Morris noted in an accompanying editorial that, while fish consumption was linked with DHA levels, there was no significant correlation between fish consumption and Alzheimer's risk, possibly because the study was not capable of observing such an effect if it existed.

Morris also noted that oily fish often contains high levels of pollutants such as methyl mercury, dioxins, and polychlorinated biphenols, which have caused some experts to recommend a reduced intake of fish, especially for pregnant women.

"The only way to resolve the risk-benefit question is to examine, directly in humans, mercury intake from fish and its effect on various health outcomes relative to the beneficial effects of the omega-3 fatty acids consumed," said Morris.

"Omega-3 fatty acids are emerging as nothing short of miraculous in terms of their protective health effects," said Mike Adams, a holistic nutritionist and author of "The Seven Laws of Nutrition." "They prevent heart attacks, depression, diabetes and obesity, as well as supporting the nervous system, cognitive function and longevity factors. We should all strive to increase our consumption of omega-3s."

While a proponent of consuming oily fish for its omega-3 content, Adams added that consumers should look to chia seeds as a rich source of DHA without the fishy taste or the risk of heavy metals. Those who prefer fish can follow their meal with chelating formulas such as Baseline Nutritionals Metal Magic, he said.


Follow real-time breaking news headlines on
Omega-3 fatty acids at
Join over four million monthly readers. Your privacy is protected. Unsubscribe at any time.
comments powered by Disqus
Take Action: Support by linking back to this article from your website

Permalink to this article:

Embed article link: (copy HTML code below):

Reprinting this article:
Non-commercial use OK, cite with clickable link.

Follow Natural News on Facebook, Twitter, Google Plus, and Pinterest

Colloidal Silver

Advertise with NaturalNews...

Support NaturalNews Sponsors:

Advertise with NaturalNews...


Sign up for the FREE Natural News Email Newsletter

Receive breaking news on GMOs, vaccines, fluoride, radiation protection, natural cures, food safety alerts and interviews with the world's top experts on natural health and more.

Join over 7 million monthly readers of, the internet's No. 1 natural health news site. (Source:

Your email address *

Please enter the code you see above*

No Thanks

Already have it and love it!

Natural News supports and helps fund these organizations:

* Required. Once you click submit, we will send you an email asking you to confirm your free registration. Your privacy is assured and your information is kept confidential. You may unsubscribe at anytime.