By
Daily Mail Reporter
17:30 EST, 2 May 2012
|
01:38 EST, 3 May 2012
Eating fish and other foods containing omega-3 fatty acids may lower the risk of Alzheimer’s disease, new research suggests.
The oily compounds, which combat inflammation, appear to lower blood levels of a protein linked to Alzheimer’s, scientists have found.
Researchers in the US studied 1,219 people over the age of 65 who were free of dementia.
Another reason to eat fish: Scientists have found that omega 3 contained in fish, such as sardines, lower a protein that is linked to Alzheimer’s disease
Participants were asked questions about their diet, and had their blood tested for beta-amyloid.
The protein clumps together in the brains of people with Alzheimer’s and is one of the key hallmarks of the disease.
Blood beta-amyloid levels were found to lower with greater consumption of omega-3 fatty acid.
A daily intake of one gram of omega-3 above the average amount consumed by the study participants was associated with a 20% to 30% reduction in beta-amyloid.
Findings: Dr Nikolaos Scarmeas, from Columbia University Medical Centre in New York, led the research
Levels of the protein in the blood are believed to reflect those found in the brain, indicating a protective effect from consuming omega-3 rich foods.
Lead researcher Dr Nikolaos Scarmeas, from Columbia University Medical Centre in New York, said: ‘While it’s not easy to measure the level of beta-amyloid deposits in the brain in this type of study, it is relatively easy to measure the levels of beta-amyloid in the blood, which, to a certain degree, relates to the level in the brain.
‘Determining through further research whether omega-3 fatty acids or other nutrients relate to spinal fluid or brain beta-amyloid levels, or levels of other Alzheimer’s disease-related proteins, can strengthen our confidence on beneficial effects of parts of our diet in preventing dementia.’
The scientists, whose findings are reported in the journal Neurology, looked at 10 nutrients including saturated fatty acids, omega-3 and omega-6 fatty acids, mono-unsaturated fatty acid, vitamins E, C, B12 and D, folate and beta-carotene.
Other nutrients besides omega-3 fatty acids were not associated with different blood levels of beta-amyloid.
The link between omega-3 and blood beta-amyloid remained the same after adjusting for a range of potential influences, including possession of a version of the APOE known to increase Alzheimer’s risk.
Omega-3 fatty acids are mostly found in oily fish such as salmon, herring and mackerel. Lower amounts can also be found in nuts, some vegetables including Brussels sprouts, kale and spinach, and vegetable oils.
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It also might help you swim better.
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I’m getting quite sick of these so called reports! My father has worked his entire life, but since finishing work he has been diagnosed with Dementia.
He has tended his allotment and kept active ( a previous report to keep Dementia at bay), he eats a healthy diet including fruit, homegrown veg and yes fish!
He also enjoyed puzzles, crosswords and arrow-words (Yes yet another report) but can now barely write his name.
There are thousands of people out there who are having to watch and try and help their loved ones go through this terrible disease, and believe me these ridiculous reports are not helping.
My grandad also had Dementia, maybe money would be better spent in researching hereditary symptoms rather than eat a bit of fish!
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Under normal circumstances, insulin will take care of amyloid proteins but, because of the conventional wisdom of advocating a high carb low fat diet as ‘healthy’ the insulin is so busy trying to cope with clearing excess blood sugar, the proteins get out of hand. Also, the rise in these so called ‘dementia’ cases goes hand in hand with the rise in use of statins. A low carb high fat diet rich in omega 3 fats (veg oil is far too high in inflammatory omega 6) will balance the blood sugar/insulin levels at normal levels (the body’s nornal, not a doctor’s idea of it), and provide the saturated fats and cholesterol needed for brain and nerve composition and function.
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fish taste nasty, go back to chocolate and wine story from the other day
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My gramps ate fish all the time, passed away last year after a horrible battle with dementia so that makes me feel better knowing that if he ate even more fish he’d still be here!!!!
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My mum’s been vegetarian for years but would eat fish. Did not stop her from getting dementia in her 70’s.
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Well there’s a surprise! But hang on, you’re actually saying saturated fat is actually good for us? Wow! Now that makes a change. We’ve been told for the last 30 years to avoid saturated fat because it clogs our arteries. No wonder we’ve got a depression epidemic eating low fat food! Our brain is 60% fat and actually needs saturated fat!
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How many people thought it was an old wives tale, when fish was referred to as “brain food “?
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They don’t call it brain food for nothing.
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Why don’t we all give up eating, that way we can only starve to death? I somethimes wonder if these people make up these stories of good and bad foods just to get funding.
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