SUZANNE GAZDA M.D.
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Neurology
​Trends

What & how we eat now could determine our future brain health.

4/15/2022

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Cholesterol and glucose levels at age 35 linked to dementia occurrence in later years.
We know that our dietary choices can have an impact on general health and brain wellness – you’ve likely heard us talk about avoiding the Standard American Diet (SAD) that includes processed foods, sugar (which we know increases inflammation that can lead to autoimmune neurological disease), and options that are high in sodium and unhealthy fats. ​
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And as our lifestyles and eating habits have shifted over the years away from freshly made meals at home to fast food and takeaway items, so have the issues resulting from these changes contributed to numerous health issues in all age groups.
 
Now, a recent study published in the journal, Alzheimer’s & Dementia, show a commensurate link to the rates of dementia occurring in our later years that was reflected by cholesterol levels at age 35, specifically our high density lipoproteins (HDL) and blood glucose levels.
 
Specifically, scientists looked for an association as to whether vascular and metabolic diseases measured in early adulthood are associated with Alzheimer's disease (AD) later in life. Using data from the longtime Framingham Heart Study, they found that:
 
  • A 15 mg/dL increase in high-density lipoprotein (HDL) cholesterol was associated with decreased AD risk during early (15.4%, P = 0.041) and middle (17.9%, P = 0.014) adulthood. 
  • A 15 mg/dL increase in glucose measured during middle adulthood was associated with 14.5% increased AD risk (P = 0.00029). These findings remained significant after adjusting for treatment.
  • Triglyceride levels were associated with Alzheimer's only in the early adulthood group. Findings remained significant after adjusting for treatment.
  • Blood glucose in middle adulthood was associated with Alzheimer's dementia per 15 mg/dL increase.
  • The findings show that while we have long-known cholesterol and glucose measured in blood profiles point to an increased risk of Alzheimer’s dementia, this study is significant in its results that identify the occurrence beginning at much younger ages.1
 
What your blood profile measures.
HDL cholesterol is often referred to as our “good” cholesterol as it carries cholesterol from other parts of your body back to your liver where the liver can then remove it from your body. Conversely, low-density lipoproteins, or “bad” cholesterol, can lead to a buildup of cholesterol in your arteries that is tied to cardiovascular disease and strokes.2
 
Total cholesterol numbers reflect both HDL and LDL numbers as well as triglycerides, which are not a type of cholesterol but are included in your lipoprotein blood profile. Triglycerides are the most common type of fat found in our body and are stored until we need to use them; however, high triglycerides typically are found along with high HDL and identified in conditions such as diabetes and metabolic syndrome. 
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How can we address the risk factors now?
 
The study authors concluded that ‘"Intervention targeting cholesterol and glucose management starting in early adulthood can help maximize cognitive health in later life.” What this means is taking a healthy approach to our diets along with addressing modifiable risk factors, such as smoking cessation and giving up sedentary lifestyles in favor of more exercise. We must also look at the tenets of the Bredesen Protocol® to Alzheimer’s treatment, and one that we utilize in our practice, that is founded upon a comprehensive lifestyle and nutritional approach designed to reverse the cognitive decline of Alzheimer’s and related disorders, and prevent Alzheimer’s for those at risk. Additionally, it’s critical whenever possible to eat only non-GMO foods or products that haven’t been genetically modified in a way that does not occur naturally. There are several studies that show how GMO-containing foods may act as an environmental toxin in our system and actually alter our gut microbiome, which plays a key role in our health and affects such processes as metabolism and our immune system regulation. An impacted microbiome could then lead to the development of diseases including Alzheimer’s and Parkinson’s.3
 
Our blog library has several articles that look at the issues of high cholesterol, obesity, and other factors that are linked to incidence of dementia and other neurodegenerative disease:
 
Dementia and vascular inflammation
https://www.suzannegazdamd.com/blog/vascular-and-inflammatory-markers-of-dementia
 
Addressing lipid markers
https://www.suzannegazdamd.com/blog/addressing-lipid-markers-may-be-an-approach-to-brain-health
 
Alzheimer’s as an autoimmune disease.
https://www.suzannegazdamd.com/blog/is-alzheimers-an-autoimmune-disease
 
Is Alzheimer’s preventable?
https://www.suzannegazdamd.com/blog/what-if-alzheimers-is-preventable
 
The prognosis for our youth’s health and our own medical futures can be significantly improved if take steps right NOW to change how and what we eat. We know, it’s not easy. But, if we are to enhance the potential outcome for the wellbeing of our neurological processes, it’s definitely an effort worth making. Let us know how we can help!
 
In hope and healing,
Dr. Suzanne Gazda
 
References:
 
1 Zhang, X, Tong, T, Chang, A, et al. Midlife lipid and glucose levels are associated with Alzheimer's disease. Alzheimer's Dement. 2022; 1- 13. https://doi.org/10.1002/alz.12641
 
2 The American Heart Association
https://www.heart.org/en/health-topics/cholesterol/about-cholesterol/what-your-cholesterol-levels-mean
 
3 Wang, H., Yang, F., Zhang, S. et al. Genetic and environmental factors in Alzheimer’s and Parkinson’s diseases and promising therapeutic intervention via fecal microbiota transplantation. npj Parkinsons Dis. 7, 70 (2021). https://doi.org/10.1038/s41531-021-00213-73

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  • Home
  • Meet Dr. Gazda
    • Our Practice
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    • Blog - Long Covid
    • Blog - NEUROLOGY TRENDS
    • Blog - MS in the NEWS
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