Red wine drinkers are generally good-natured people and known for mastering life with pleasure and relaxation. These alone are two protective factors against dementia, because stress is poison for the brain (but more about this later on). In addition, a secondary plant substance present particularly in red wine is increasingly attracting the interest of research and prevention in Alzheimer’s disease: resveratrol.

Resveratrol has numerous biological and pharmacological protective effects and became well-known back in the mid-1990s in connection with the ‘French Paradox’. It stands for the observation that French people live longer than Germans and Americans despite their supposedly unhealthier lifestyle, especially because of their higher alcohol consumption, and that the frequency of heart attacks in France is three times lower than in the USA. In the following years, resveratrol became the focus of research and showed anti-inflammatory, antioxidant, cancer-inhibiting, heart protecting and life-prolonging properties in numerous test models both in vitro and in vivo and was considered a new miracle cure.

Resveratrol and Alzheimer

The first indications that resveratrol could also be responsible for the protective effect of red wine in Alzheimer patients were shown by epidemiological studies conducted by a French research group in 1997, which showed an inverse correlation between moderate wine consumption and the occurrence of Alzheimer’s disease: in the group of moderate wine drinkers (250 – 500 ml per day) the risk of dementia was reduced by a factor of 5.

It showed that resveratrol not only unfolds its positive effects in a single way, but also has a multi-mechanistic effect. It has a beneficial effect on various processes, all of which play a decisive role in the development of Alzheimer’s disease:

  1. reduction of amyloid plaques 
  2. reduction of neurofibrillary tangles 
  3. regulatory role in autophagy processes 
  4. anti-inflammatory effect 
  5. antioxidant effects

Detailed explanations on these topics can be found on the page: Resveratrol

Clinical studies

Based on these convincing results, the therapeutic potential of resveratrol in Alzheimer’s patients is currently being tested in clinical trials. Two recent pilot studies have shown that resveratrol can easily cross the blood-brain barrier in humans and penetrate brain tissue – as it has been detected in cerebrospinal fluid. Resveratrol was well tolerated by all volunteers and had no side effects up to a dose of 5 grams per day. Both double-blind studies show evidence of positive effects of resveratrol in humans. 

In addition, resveratrol is already part of the multifactorial approach of the American neurologist Dale Bredesen, who, with his therapy known as ‘ReCode’ (Reversal of Cognitive Decline), has managed to clinically reverse Alzheimer’s courses in early stages (see also the interview with Dr. Bredesen in the media library).

Conclusion:
Whether fed with a glass of red wine in the evening or by other non-alcoholic means – but preferably from natural sources – the secondary plant substance resveratrol appears to be responsible for protective effects in the development of dementia due to its diverse mechanisms of action. It could therefore be a promising preventive and possibly therapeutic approach in the fight against Alzheimer’s disease.

In this sense: treat yourself to a glass of red wine or grape juice in the evening and enjoy life. Your grey cells will be grateful!

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This descriptive documentation of the Arte TV channel shows very clearly the connections between an unbalanced diet, the resulting micronutrient deficiencies and the effects on the brain. Various experiments have shown that mice that grow up with a deficiency of omega-3 fatty acids have deficits in the formation of their neurons and are much more anxious.

A particularly striking example showed an experiment with field hamsters. Here a simple vitamin B3 deficiency was sufficient to trigger aggressive behaviour during mating in over 80% of females. In the further course of the experiment, these females even ate their offspring directly after birth. After the vitamin B3 deficiency had been remedied, the females showed normal behaviour again, despite continued unbalanced diet  (thus the vitamin B3 factor could be clearly identified as the trigger).

In humans, long-term observations and studies showed similar results. Already in the uterus, the nutrition of the mother decides about the brain development and the emotional development of the fetus and newborn.

Mothers who eat “junk food” with a low omega-3 fatty acid concentration and high sugar content give birth to children that tend to act more aggressive. If this form of nutrition is continued in childhood, aggressive  behaviour, anxiety and attention disorders are pre-programmed. If there is a lack of omega-3 fatty acids, the function of the brain is disturbed, the communication between neurons and the neurogenesis are impaired.

The second cardinal error of Western nutrition is the flooding of highly processed foods with cheap refined sugars. Experiments have shown that this hidden sugar poisoning may show higher addiction effects  than cocaine. The consequences are insulin resistance, diabetes and dementia.

Of course, this form of unbalanced nutrition also has an effect on the intestines and the gut microbiota (and their genetic diversity, the microbiome), which have a significant influence on the health of our body and mind. Concrete examples show that the density of nutrients in food influences the way we   make decisions and solve daily problems. But we do not want to reveal too much here, watch for yourself:

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Unfortunately this excellent video don’t provide English subtitles, a more scientific alternative about the MIND diet in English can be found here:

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Conclusion:

As far as mental and brain health is concerned, nutrition seems to be a major component of prevention, particularly with regard to dementia.  An alteration towards the Mediterranean diet or even better the MIND diet  increases our chances to remember the names of our grandchildren in the future and to actively participate in life. Just leave the “industrial garbage” on the shelf, even if it is sometimes difficult.

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Curcumin is a yellow pigment contained in turmeric (Curcuma longa). The benefits of curcumin in different organ systems have been extensively documented in the past in several neurological diseases and cancer. Curcumin has received worldwide recognition for its potent antioxidant, anti-inflammatory, anti-cancer and antimicrobial activities. Curcumin has been successfully used to treat diabetes and arthritis, as well as liver, kidney and cardiovascular diseases. Recently, attention has focused on the use of curcumin to prevent or delay the onset of neurodegenerative diseases. A recently published review study (https://www.ncbi.nlm.nih.gov/pubmed/31185140) summarized the use of curcumin in different neurological diseases, including Alzheimer’s disease. Recent advances in curcumin formulations and strategies to overcome low bioavailability are discussed as well as toxicity and ongoing clinical trials.

Conclusion:

There is good evidence that turmeric consumption has various potential health benefits not only for older people. In addition to its role in treatment and prevention, curcumin acts in AD therapies as an antioxidant, anti-inflammatory, inhibitor of Aβ aggregation and chelator of metal ions. These effects are, regardless of the results of clinical studies, a good reason to include curcuminoids in our regular diet – e.g. in the form of strong curries.

Further information about the effect of curcumin on Alzheimer’s can be found at Curcumin and Alzheimer’s Dementia…

 

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