Alzheimer’s Disease: Decreasing Risk Through Lifestyle Changes

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Alzheimers is an ongoing concern in today's world, especially here in the United States where we seem to have a disproportionately high percentage of cases. Dr. William M. Simpson Jr., MD discusses ways to decrease our risks...

Losing a loved one to Alzheimer’s disease is one of the most painful experiences and most dreaded diagnoses I make as an ageriatrician. While some cases of Alzheimer’s dis-ease are heavily affected by a person’s genetic make-up, fortunately the majority of cases are not genetically pre-determined, making Alzheimer’s risk reduction possible.

There are 2 main forms of Alzheimer’s disease (AD), early and late-onset. While early-onset of AD is genetically related, this only accounts for 15% of the cases. The APOE e4 gene is present in 40% of people who develop late-onset AD. This gene is also present in 25-30% of the general population, indicating that genetics is not the whole story. The remaining 85% or more cases of AD are late-onset and more related to diet and lifestyle factors.

While there are several contributing factors to the development of Alzheimer’s dis-ease, neurologic and vascular research is beginning to unravel some of the lifestyle behaviors and environmental mechanisms, which either increase or decrease our chances of developing this disease. For example, diet is related to risk of Alzheimer’s. Foods high in fat, meat and dairy products, foods high in saturated fat such as fried and processed foods, as well as fish high in mercury, refined sugars and sugary beverages are all associated with increased AD risk.

Foods such as fruits and vegetables, whole grains, legumes, sweet potatoes, broccoli (all high in Vitamin E and folate), beans, brown rice, corn (high in Vitamin B6), almond milk, and fortified cereals (high in Vitamin B12) all decrease risk of Alzheimer’s.

The significant differences in the reported rates of Alzheimer’s disease around the world give credence to the influence of lifestyle factors. In general, Western lifestyle countries have higher reported rates of AD than those of the East and Africa. Differences in animal fat consumption seem to play a role in lower rates of AD in countries with more plant-based diets. The same behaviors that increase the risk of cardiovascular disease appear to increase the risk of late onset AD. These include: lack of exercise, smoking, hypertension, hypercholesterolemia, poorly controlled diabetes mellitus, the metabolic syndrome and poor diet (lacking in fruits and vegetables, coupled with excess calories, resulting in excess weight). Essentially, all of the above illnesses are associated with increased levels of inflammation in the body. These same inflammatory changes seem to also influence the risk of Alzheimer’s.

So, how can we decrease our risk of developing AD? Here are 5 key lifestyle changes:

1.  Get moving and lose weight. Inactivity is linked to greater weight gain,which is associated with increased levels of inflammation. Walking on a regular basis is associated with decreased brain shrinkage and exercising outside lowers the rate of depression, associated with increased risk of AD.

2.  Don’t smoke. Smoking is inflammatory and damages our respiratory and cardiovascular system.

3.  Eat more fruits and vegetables. The more fruits and vegetables consumed, the higher the intake of antioxidants, potassium and other micronutrients and the lower the average blood pressure, all of which tend to lower AD risk.

4.  Get enough sleep. Recent research points to poor sleep patterns as increasing risk for type 2 diabetes, which can increase chances of developing AD.

5.  Increase mentally stimulating activities such as social engagement, work, or mentally challenging leisure activities (they exercise the brain and that is important to prevent cognitive decline).

Although this only scratches the surface ofAlzheimer’s, a healthy lifestyle is currently our best point of attack in the battle against AD.

2/11/2018 8:00:00 AM
ALPR
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Anne is the Founder of Anne Leedom PR. She has been quoted regularly in national media and is devoted to bringing helpful and practical health and wellness information to as many people as possible through the clients she represents.
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Comments
Thank you for your interesting article on AD. My sister-in-law has recently been diagnosed with AD. Your article is helpful, in that it increases the knowledge about AD. Few people understand the cause and effect of diet, nutrition and mental exercise. Thank you increasing our knowledge base related to a complex issue.
Posted by Louis Levy
I believe that the opposite is true as well. I think that people who are obsessed with their weight their entire lives, trying desperately to be "thin", also suffer from AD - not enough fat, nutrients etc. in their diet for good brain health. Thoughts? I have a sister who I strongly feel that this is the case.
Posted by Kelly

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