March 29

Seafood May Help Those At Risk of Alzheimer's

Paula Montgomery
Core Spirit member since Dec 24, 2020
Reading time 2 minutes

Seafood lovers, a new study delivers good news on two fronts: Mercury found in fish doesn’t lead to mental decline, and for certain people, a diet rich in fish might stave off Alzheimer’s disease.

Researchers who examined human brains confirmed that people who eat more seafood have more mercury in their brains. But, they found no link between higher brain levels of that neurotoxin and the kind of brain damage that is typical of Alzheimer’s disease and dementia.

“Everybody’s saying seafood has so many health benefits, but everybody’s afraid of the mercury,” said lead study author Martha Clare Morris, professor of nutritional epidemiology at Rush University in Chicago.

“We saw absolutely no evidence that higher levels of mercury in the brain were associated with any of the neuropathologies associated with dementia,” she said.

The researchers also found that eating moderate amounts of seafood may have a protective effect for people with a specific genetic risk for Alzheimer’s disease.

The study is published in the Feb. 2 issue of the Journal of the American Medical Association.

In an editorial in the same issue, Edeltraut Kroger and Dr. Robert Laforce of Laval University in Quebec, Canada, said the finding suggests “that seafood can be consumed without substantial concern of mercury contamination diminishing its possible cognitive benefit in older adults.”

But why? Is there something about the so-called long-chain “n-3” fatty acids in fish that protects the brain?

Fish intake, particularly as part of a healthy diet, such as the Mediterranean diet, has been linked with decreased Alzheimer’s disease or slower disease progression, Kroger said.

“It is to this day not quite clear whether the reason for the benefit of fish is to be found in its n-3 unsaturated fatty acid content, or whether the benefit from fish-containing diets is more complicated to understand,” she added.

The data come from participants in Rush’s Memory and Aging Project who died between 2004 and 2013. The average age at death was almost 90, and 67 percent were women. All were free of dementia at enrollment and agreed to undergo annual neurologic evaluations and brain autopsies at death.

To calculate participants’ weekly seafood consumption, researchers relied on food questionnaires, begun an average of 4.5 years before death. The questionnaire included four seafood items: a tuna sandwich; fish sticks, cakes or sandwich; fresh fish as a main dish; and shrimp, lobster or crab.

Tissue samples from 286 autopsied brains were taken to measure brain metal concentrations. Researchers also examined tissue samples for evidence of dementia, including strokes or “micro” strokes; plaques and tangles in the brain that are indicative of Alzheimer’s disease; and Lewy bodies that are associated with Parkinson’s disease.

The finding that higher levels of seafood consumption was associated with higher levels of mercury in the brain was a small but significant correlation, Morris said.

The investigators also found that eating one or more fish meals a week was linked to less Alzheimer’s damage in the brain, but only among people with a gene variant called apolipoprotein E (APOE).

People who inherit this “allele” – or variation – of the apolipoprotein gene are at increased risk of developing Alzheimer’s disease, according to the Alzheimer’s Association.

“We did not see that protective association in people who didn’t have the APOE allele,” Morris said.

However, higher dietary levels of alpha-linolenic acid, a fatty acid found in plants, was associated with less stroke in the total population, not just those with the APOE variation, she added.

by Karen Pallarito For WebMd

Comments

Leave your questions here

To write a comment you must
or
Services
Category filter
Concern filter
Type filter
Sort
 
All categories
Art Therapy
$50 USD
Artist Teacher Workshop Or Tutoring

“Life Force” guiding our history, our body and spirits. Self portrait art, life drawing from the live model, gesture, and plein air painting. And extended cont…

Bryan Prillwitz
United States of America flag icon
Tarot Reading
$100 USD
Timeline Reading

EGYPTIAN TAROT READINGS using unique methods developed by Nelise Carbonare, a Brazilian healer with more than 40 years of experience in tarot consultations, as…

Nelise Carbonare
United States of America flag icon
Tarot Reading
$120 USD
THE SYNERGY OF THE PYRAMID

THE SYNERGY OF THE PYRAMID focuses on a specific relationship: One side for the consultant and one for their partner. (the partner does not need to be present …

Nelise Carbonare
United States of America flag icon
Tarot Reading
$10 USD
Pick one card

Many questions can be answer with just one Arcane.

Do you want to try?

Nelise Carbonare
United States of America flag icon
Personal Development Coaching
$50 USD
Spiritual Coaching - Removing Energy Blocks - Expansion

> “Who looks outside dreams. Who looks inside awakens.” Jung

Spiritual coaching is about moving you into a profound state of empowerment and involution m…

Kimla Rose (Kim Desrosiers)
United States of America flag icon
Life Coaching
$10 USD
Life Purpose and Soul Wisdom

What is your deeper truth, your deeper knowing, your MOJO, your deepest desires, those feelings that you can’t explain but that are so pure and so clear…or may…

Anna Beale
United States of America flag icon
Wellness Coaching
$10 USD
Your Missing Manual for Health & Life!

Are you constantly reading books, blogs and listening to podcasts trying to figure out what to do to be healthy?

With so much conflicting information out ther…

Pamela Malo
United States of America flag icon
Nutritional Therapy
$150 USD
Nutritional Therapy Consultation

Hi my name is Aria and I am the founder of Heal with Nutrition. I am a registered Nutritional Therapist and a Naturopath who has a passion on Nutrition and Hea…

Aria Alexandrou
United Kingdom of Great Britain and Northern Ireland flag icon
Tarot Reading
$10 USD
THOTH AND HERMETIC DECKS READING

With a deep knowledge of hermeticism and being introduced to the kabbalah tradition of the emanation process from the tree of life, I provide a deep insight co…

James Marchiori
Ireland flag icon
Personal Development Coaching
$55 USD
The Bridge to Your Desired Life

This is were you get real help with your struggles and life challenges. As life gets harder to cope with, we tend to look for external ways to get through. And…

Mina Mikhail
United States of America flag icon
Naturopathy
$10 USD
Intake Consult

short introduction consult to Integrative Medicine

Femke Neervoort
Netherlands flag icon
Career Coaching
$300 USD
Reset Coaching and Mentoring Programme

12 weeks of bi-weekly 90 minutes 1:1 Coaching and Mentoring. Total cost USD1800 (6x90minutes career coaching and mentoring session)

Are you returning to work …

Carla Martins
United Kingdom of Great Britain and Northern Ireland flag icon
Personal Development Coaching
$120 USD
Spiritual Life Coach Session-Personalized Session

Personalized Sessions

Because Everyone Is Unique

Client-centered sessions based on the area of focus requested by the client.

Each session is a LIVE Sessio…

Deborah Lucero
United States of America flag icon
Reiki
$55 USD
Guidance, Inspiration & Healing

This type of session is a favorite among many of my clients, as it is often times one of the smoothest way to address a challenge to reach a happier and health…

Mina Mikhail
United States of America flag icon
Mediumism
$10 USD
Psychic Readings

I specialize in love, past present future, future, past life, general, tarot, dream interpretation, specific, social, and career readings! Book today for clari…

Holly
United States of America flag icon
Life Coaching
$399 USD
1-on-1 Coaching

The journey started with our discovery call, and You decided: ” I’m ready! Let’s do this!”.

We will engage in 1-on-1 coaching sessions for 90 minutes. In this…

Carla Martins
United Kingdom of Great Britain and Northern Ireland flag icon
Ascension
$88 USD
Ascension Mentor Support

In this session, we come together with similar to a healing session but face to face.

We talk about what issues you are facing at the moment and we delve deep…

Claire C.
Australia flag icon
Spiritual Healing
$177 USD
Energy Healing

I am honored to assist you with intuitive channeled energy healings that support and nurture you on a physical level as well soul and energetic level, each ses…

Claire C.
Australia flag icon
Reiki
$375 USD
Usui Reiki 1st Degree Course

FIRST DEGREE COURSE - The ultimate Reiki course.

Have you ever wondered if you can heal? Have you felt a burning desire to help others? Then you’ve come to th…

Step Into Your Light - Christina Moore
United Kingdom of Great Britain and Northern Ireland flag icon
Life Coaching
$10 USD
Hand Analysis - Startup Session

What does a hand analysis do for me? ​

You will understand yourself and your life purpose. ​You will understand the roots of your triggers and reactionary be…

Brent Bruning, Master Hand Analyst
Switzerland flag icon
Shamanism
$10 USD
Sample Akashic Records Reading for Your Burning Issue

I connect to your Akashic Records and listen to what your guides want to bring to your conscoius attention at this time. Perhaps, it is an insight into why you…

Olga Aydınoğlu
Turkey flag icon
Shamanic Healing
$300 USD
Shamanic Healing Art

What is Shamanic Healing Art?

It is a physical artwork (usually a pastel drawing) I make for you based on the outcome of our online session. This artwork will…

Olga Aydınoğlu
Turkey flag icon
Shamanic Healing
$70 USD
Heal to say "No"

A limits and boundaries shamanic healing session to help you heal relevant wounds and traumas from this and/or other lifetimes, let go of false beliefs, judgem…

Olga Aydınoğlu
Turkey flag icon
Shamanic Healing
$70 USD
Writer's Block Shamanic Healing Session

Before the Session

I do my pre-meditation to find out the main reasons for your writer’s block. (This happens psychically, where I generally just need your na…

Olga Aydınoğlu
5
Turkey flag icon

Related Articles