Fish can Lower Brain Damage (Study Finds) ๐Ÿ˜ฎ

Key Highlights

  • Cerebrovascular disease can be life-threatening.
  • Fish contain omega-3 fatty acid which is good for health, especially our brain.
  • According to a new study, fish can lower brain damage in old age.

Cerebrovascular disease is the second most common cause of death in the world. [1]

Cerebrovascular disease refers to a group of conditions that affect blood vessels in the brain and may lead to brain damage.

A recent study has shown that fish can lower brain damage in old age. [2]

Let’s dig deep into it. ๐Ÿง

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Table of Contents


The Study Process

This study was done by the researchers from the University of Bordeaux (France) and was published in the journal Neurology. [2]

For this study, researchers included participants from the Three-City Dijon population-based study. [3]

In total, 1,623 people over the age of 65 were included in the analysis who had no history of cerebrovascular accidents, dementia or cardiovascular problems. [2]

Researchers asked a series of questions to know their regular diet including fish intake. 

Based on the information, participants were divided into four groups based on fish intake: less than once a week, once a week, two or three times a week, and four or more times a week.

Researchers then conducted a brain MRI scan.

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MRI Scan Result, Fish can Lower Brain Damage
MRI scan is used to detect abnormalities in your brain.

The Result of this Study

After analyzing the MRI scan results, researchers found a link between eating two or more fish and fewer signs of brain damage. [4]

This link was most common in participants aged 65 to 69 years old, but fish intake didn’t seem to have an impact on individuals older than 75. [2]

In addition to eating fish, it’s been reported that maintaining a healthy diet, exercising regularly, and quitting smoking can reduce the risk of vascular disease.

โ€œMore research is needed to help us understand the mechanism of how eating fish may preserve brain vascular health,โ€ says senior author Dr. Samieri, โ€œbecause diet is a factor people can modify to possibly decrease their risk of cognitive decline and even dementia later in life.โ€

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How Fish can Lower Brain Damage?

In cerebrovascular diseases blood canโ€™t reach the brain, and can cause brain damage or stroke.

This study finds more than two servings of fish intake is linked with lower cerebrovascular diseases in old age.

The exact reason is still unknown.

More research is needed to know which fish and how it can lower brain damage.

But, existing evidence showed that fish like salmon, tuna and sardine are rich in  omega-3 fatty acids, a major building block of the brain. [5]

Our brain uses omega-3 to build brain and nerve cells, and these fats are essential for learning and memory. [6]

Omega 3 may also slow age-related mental decline. [7]

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Illustration of Brain and Nerve
The brain is one of the largest and most complex organs in the human body.

The Final Word

In addition to causing physical disability, cerebrovascular diseases can cause development and progression of cognitive impairment and dementia. [8]

Healthy lifestyle modifications, including making dietary changes, increasing physical activity levels, and quitting smoking, can reduce the risk of cerebrovascular disease. [9]

This study shows that eating fish more than two times a week can be beneficial to improving cerebrovascular health.

So, even if you don’t have any brain related problem, include it in your diet.

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Freequently Asked Questions (FAQs)

Is fish good for brain stroke?

Yes. Fish is good for brain stroke. Because fish contain omega-3 fatty acid, and it is good for the brain.

Can fish prevent cerebrovascular diseases?

No. There are no scientific studies that confirmed this. But yes, some studies found a link between eating two or more fish a week and less sign of cerebrovascular diseases.


This article is written by a certified nutritionist and verified by scientific evidence. โ˜‘๏ธ

We rely on reputed and specialized media sites, academic research institutions, peer-reviewed studies, government agencies, and medical associations to source information. ๐Ÿ“ฐ

We avoid using tertiary references. Know more about how we ensure our content is accurate and current by reading our editorial policy. ๐Ÿง

Following are the references of this article.

  1. Centers for Disease Control and Prevention (CDC): The Burden of Cerebrovascular Disease in the United States. Accessed 15 November 2021.[]
  2. Neurology: Fish Intake and MRI Burden of Cerebrovascular Disease in Older Adults. Accessed 15 November 2021.[][][][]
  3. JPND Research: THE THREE-CITY STUDY. Accessed 15 November 2021.[]
  4. Neurology: Fish Intake and MRI Burden of Cerebrovascular Disease in Older Adults. Accessed 15 November 2021. []
  5. National Center for Complementary and Integrative Health: Omega-3 Supplements: In Depth. Accessed 15 November 2021.[]
  6. PubMed: Omega-3 Fatty Acids and their Role in Central Nervous System – A Review. Accessed 15 November 2021.[]
  7. PubMed: Fish consumption and risk of incident dementia in elderly Japanese: the Ohsaki cohort 2006 study. Accessed 15 November 2021.[]
  8. National Institute of Aging: Vascular Contributions to Cognitive Impairment and Dementia. Accessed 15 November 2021.[]
  9. Centers for Disease Control and Prevention (CDC): Preventing Stroke: Healthy Living. Accessed 15 November 2021.[]

About the Author

A. R. Choudhury, ARChoudhuryMSc,

A. R. Choudhury is a IGNOU certified nutritionist in India with a Bachelorโ€™s and Masterโ€™s degree in Biochemistry.

He also has considerable research experience and additional certificates in nutrition. ๐Ÿ‘

Abdur started NutritionCrown in 2020 to organize nutrition information under one umbrella. โ˜‚๏ธ

He is passionate about empowering people to make well-informed food choices to support their health.

Abdur currently lives in India and keeps fit by weight training and eating mainly home-cooked meals. ๐Ÿ’ช ๐Ÿฅ—