By Dr. Mercola

An estimated 5.4 million Americans have Alzheimer’s disease, a severe form of dementia,1 and the most recent data2,3 suggests over half a million Americans die from Alzheimer’s each year, making it the third leading cause of death in the US, right behind heart disease and cancer.

As prevalence has increased, so have the questions about why, and the search for answers has dished up some pretty curious findings over the past several years.

It seems quite clear that Alzheimer’s disease is primarily diet-related, with insulin resistance, processed foods, trans fats, and unhealthy omega 6:3 ratios being the primary culprits.

However, recent research has also uncovered evidence suggesting that the disease may be the result of agricultural practices, and even more surprising, Alzheimer’s could potentially be transmitted via certain invasive medical procedures.

Five Routes to Alzheimer’s Disease

At present, evidence suggests there are a number of causes promoting Alzheimer’s symptoms, including the following:
Type 3 diabetes: Faulty insulin signaling is an underlying cause of insulin resistance, which typically leads to type 2 diabetes. However, while insulin is usually associated with its role in keeping your blood sugar levels in a healthy range, it also plays a role in brain signaling.

Researchers have found that when insulin signaling in the brain is disrupted, it results in dementia, hence the suggestion that Alzheimer’s may be a brain-related form of diabetes.

Even mild elevation of blood sugar — a level of around 105 or 110 — is associated with an elevated risk for dementia. According to neurologist Dr. David Perlmutter, if your fasting blood sugar is over 95 mg/dl, it’s time to address your diet to lower it, to protect your brain health.
Gut dysfunction, caused by a combination of excess sugars and processed foods; antibiotic exposure from food and


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