How Extra Virgin Olive Oil helps fight Alzheimer’s Disease

Updated: Aug 27


Extra virgin olive oil preserves memory, protects brain against Alzheimer's

It’s one of the saddest diseases of all – seeing a loved one losing touch with reality and drifting off into a world of their own. Alzheimer’s disease sufferers eventually don’t recognize even close family members as we look on, helpless to provide anything other than loving care.


Recently the scientific world has taken an interest in extra virgin olive oil (EVOO) because links have been found between the Mediterranean diet and fewer occurrences of dementia in general and Alzheimer’s in particular. Now EVOO is seen as a major factor.


What is Alzheimer’s disease (AD)?


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Here are some quick facts about AD that may help to understand its impact:

  • It’s a disease of the brain

  • The root cause is not fully known

  • There is no cure

  • It mostly affects people over 65 and about 6% of that age group gets it

  • Eventually, it kills sufferers

  • Life expectancy after diagnosis is 3 to 9 years

  • Globally, about 30 million people suffer from AD

  • It kills about 2 million people each year

  • Dementia is the name for a group of brain diseases that impact our ability to remember and to think

  • AD is the most common form of dementia, making up 50% to 70% of cases


What are the symptoms of AD?


Loss of memory, especially recent memory, which manifests as forgetfulness. Language difficulties and general deterioration in cognitive ability. Mood swings and uncharacteristic outbursts. Confusion and disorientation.


The Mediterranean Diet fights brain disease


It has long been known that people following a Mediterranean diet experience less dementia. Some of the elements that are believed to contribute to this marvelous benefit include

  • Extra virgin olive oil

  • Oily fish such as sardines, salmon, mackerel, cod, and tuna

  • Green leafed vegetables such as spinach, kale, and broccoli

  • Fruit and nuts such as blueberries and walnuts

  • Red wine and dark chocolate (just a little of each!)


Why does science think that EVOO can help fight Alzheimer’s disease?


Soon after it was realized that the Mediterranean diet appeared to benefit our brains, science began to investigate the reasons why. This is a very slow process that involves a great number of studies covering all the foods that are typical of the diet.


Research is still at a very early stage. In Britain, the National Health Service has acknowledged that EVOO does indeed appear to have positive benefits that require further investigation.


What does AD do to the brain?


As the disease progresses, the changes in the brain become more complex. The biochemical and neuropathological explanations are difficult for non-medical people to understand. However, a critical early stage can be summarised like this:

Neural synapses are joins or channels whereby a nerve cell can send information to other nerve cells. Very toxic proteins called ADDLs bind with these synapses and interfere with nerve cell functions.


This kills cells, which causes loss of memory and damages wider brain functions. Technically, the classic markers of Alzheimer’s are amyloid-beta plaques and neurofibrillary tangles.


How EVOO combats Alzheimer’s


Oleocanthal is a natural substance found in EVOO. It is what gives the best EVOO its hot peppery effect at the back of the throat. It has some similar anti-inflammatory properties to ibuprofen.


Importantly, oleocanthal changes the structure of these proteins and thereby restricts their ability to bind with neural synapses and damage them.


Here are two recent scientific studies on the beneficial effects of Oleocanthal as a

Preventative and therapeutic agent for Alzheimer's

and extra virgin olive oil as an

Ingredient that protects against cognitive decline

>Read also: The Peppery Flavour of Great Extra Virgin Olive Oil is So Good For You: Here's Why

>Read also: Omega-3-6-9 Fatty Acids in Extra Virgin Olive Oil - An Eye-Opening Beginner’s Guide


Is this a potential cure for Alzheimer’s?


It’s not a cure although further studies and research may lead to the development of related drugs. What it does indicate is that including good quality EVOO in your diet may prevent the onset of Alzheimer’s in the first place. That protects memory and learning ability. Therefore, it’s a preventative measure rather than a cure.


>Read also: 5 Proven Health Benefits of Extra Virgin Olive Oil That You Never Heard Of

>Read also: An Eye-Opening Guide on Antioxidants in Extra Virgin Olive Oils


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