Tanya Dutt

What Is Type 3 Diabetes? Insulin Resistance In The Brain That Could Trigger Alzheimer’s

Most people are aware of type 1 and type 2 <span><a href="https://www.healthandme.com/health/diabetes">diabetes</a></span>, but did you know there is a <span>type 3 diabetes</span> as well! It is a more obscure term. Although it is not an accepted medical diagnosis, type 3 diabetes has been discussed in the literature as a possible relationship between <span>insulin resistance</span> in the brain and Alzheimer's disease. This link has been described to help explain how metabolic disorders impact <span>brain health</span>, causing <span>cognitive decline</span> and dementia.

Type 3 diabetes is more of a misnomer because it should not be confused with type 3c diabetes, which relates to pancreatic dysfunction. The term "type 3 diabetes," on the other hand, has been loosely used by some scientists to analogously propose that Alzheimer's disease is strongly implicated with insulin resistance in the brain.

This concept was conceptualized by Dr. Suzanne de la Monte and Dr. Jack Wands of Brown University in the year 2008. This hypothesis postulated that Alzheimer's disease may be called type 3 diabetes for it bears many similarities with glucose metabolism disorder type 2 diabetes. Their concept arises from the basic principle that insulin is fundamental to blood sugar regulation, but it is also the case with the brain. When brain cells become insulin-resistant, they lose access to glucose, impairing their function. 

Research published in the Journal of Diabetes Science and Technology supports this hypothesis by indicating that insulin resistance can be a significant contributor to the occurrence of dementia, also referred to as Alzheimer's. The symptoms of memory loss and diminished reasoning are associated with impaired glucose metabolism in the body, especially in the cerebral tissue. 

Although type 3 diabetes is not a "medical term," its symptoms correlate well with Alzheimer's diseases that are known to reduce the ability to think in an efficient manner and bring down brain health. These signs are:

- Failure in recognizing people or places familiar once.

- Failure in the process of reading, writing or processing numbers

As the disease advances, <a href="https://www.nia.nih.gov/health/alzheimers-symptoms-and-diagnosis/what-are-signs-alzheimers-disease" data-type="tilCustomLink" target="_blank" rel="noopener nofollow noreferrer" rel= "noopener nofollow noreferrer" target= "_blank">patients may be afflicted with severe complications including an inability to swallow or control</a> their bodily functions. In the final stages, most patients die from fatal complications such as aspiration pneumonia.

This may not be well understood with regards to type 3 diabetes, or the exact link between insulin resistance and Alzheimer's disease. Some identified contributing factors include the following:

Insulin acts as an important regulatory mechanism of brain functions such as memory and cognition. The reduction in insulin signaling may impair metabolism of brain cells, thus bringing about neurodegeneration.

These diseases show a strong relationship and those individuals diagnosed with type 2 diabetes have double chances of getting Alzheimer's. In the two, the main causes can be chronic inflammation, oxidative stress, and a defect in glucose metabolism. 

<h4>3. Environmental and Lifestyle Factors</h4>

Insulin resistance associated with obesity, stress, and an unhealthy diet is considered a cause that may increase the chances of Alzheimer's disease.

Researches in Frontiers in Neuroscience and The Lancet Neurology have also highlighted that drugs used for antidiabetic medication may be crucial for the prevention or at least slowing down the course of Alzheimer's. 

<a href="https://www.mdpi.com/1424-8247/15/5/551" data-type="tilCustomLink" target="_blank" rel="noopener nofollow noreferrer" rel= "noopener nofollow noreferrer" target= "_blank">In 2022, in a study in Pharmaceuticals</a>, researchers studied biomarker uptake in brain regions implicated in the faulty uptake and metabolism of blood sugar in Alzheimer’s patients. 

Research into such treatments as <span>intranasal insulin</span> has also been promising. Intranasal delivery of insulin directly to the brain has been reported to enhance glucose uptake by brain cells, improve memory, and boost cognitive performance. While such clinical trials have been shown to be successful, additional research is needed for safety and efficacy. 

For patients being aggressive or agitated, antipsychotic drugs may be prescribed; however, therapies such as cognitive rehabilitation as well as cognitive stimulation therapy serve to preserve memory and executive function. 

Diet, exercise, and stress management are critical in preventing and managing insulin resistance. <a href="https://pubmed.ncbi.nlm.nih.gov/26445019/" data-type="tilCustomLink" target="_blank" rel="noopener nofollow noreferrer" rel= "noopener nofollow noreferrer" target= "_blank">A review in the Journal of Alzheimer's Disease also highlighted the benefits of Kirtan Kriya meditation</a>, which can regulate genes involved in insulin and glucose metabolism, improve sleep, and reduce inflammation. 

<h2>Can Type 3 Diabetes Be Prevented?</h2>

Although type 3 diabetes is not officially recognized, its connection to <span><a href="https://www.healthandme.com/health/alzheimers-disease">Alzheimer’s disease</a></span> underscores the importance of proactive measures for brain health. Some prevention strategies include: 

Consuming a balanced diet rich in antioxidants, whole grains, and healthy fats may support brain health. 

Physical activity improves insulin sensitivity, reduces inflammation, and enhances overall metabolic health. 

Mindfulness practices, including meditation, have been shown to lower stress levels, which can reduce the risk of cognitive decline.

The term type 3 diabetes brings out the complex relationship between metabolic disorders and brain health. Even though it is not a recognized medical condition, the concept emphasizes the crucial role of insulin in brain function and its possible contribution to Alzheimer's disease. Continued research will hopefully provide hope for therapies such as intranasal insulin and lifestyle modifications.

Health Conditions A-Z

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diabetes

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alzheimer’s disease

insulin resistance

cognitive decline

symptoms of alzheimer’s

brain health

intranasal insulin

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Most people are aware of type 1 and type 2 diabetes, but did you know there is a type 3 diabetes as well! It is a more obscure term. Although it is not an accepted medical diagnosis, type 3 diabetes has been discussed in the literature as a possible relationship between insulin resistance in the brain and Alzheimer's disease. This link has been described to help explain how metabolic disorders impact brain health, causing cognitive decline and dementia.What is Type 3 Diabetes?Type 3 diabetes is more of a misnomer because it should not be confused with type 3c diabetes, which relates to pancreatic dysfunction. The term "type 3 diabetes," on the other hand, has been loosely used by some scientists to analogously propose that Alzheimer's disease is strongly implicated with insulin resistance in the brain.This concept was conceptualized by Dr. Suzanne de la Monte and Dr. Jack Wands of Brown University in the year 2008. This hypothesis postulated that Alzheimer's disease may be called type 3 diabetes for it bears many similarities with glucose metabolism disorder type 2 diabetes. Their concept arises from the basic principle that insulin is fundamental to blood sugar regulation, but it is also the case with the brain. When brain cells become insulin-resistant, they lose access to glucose, impairing their function. Research published in the Journal of Diabetes Science and Technology supports this hypothesis by indicating that insulin resistance can be a significant contributor to the occurrence of dementia, also referred to as Alzheimer's. The symptoms of memory loss and diminished reasoning are associated with impaired glucose metabolism in the body, especially in the cerebral tissue. Symptoms of Type 3 DiabetesAlthough type 3 diabetes is not a "medical term," its symptoms correlate well with Alzheimer's diseases that are known to reduce the ability to think in an efficient manner and bring down brain health. These signs are:- Loss of memory, especially short-term.- Poor judgment and judgment ability- Failure in recognizing people or places familiar once.- Failure in the process of reading, writing or processing numbers- Anxiety, agitation, or mood changes.- Disorganized thoughts or confusion- Lack of impulse controlAs the disease advances, patients may be afflicted with severe complications including an inability to swallow or control their bodily functions. In the final stages, most patients die from fatal complications such as aspiration pneumonia.Causes of Type 3 DiabetesThis may not be well understood with regards to type 3 diabetes, or the exact link between insulin resistance and Alzheimer's disease. Some identified contributing factors include the following:1. Insulin ResistanceInsulin acts as an important regulatory mechanism of brain functions such as memory and cognition. The reduction in insulin signaling may impair metabolism of brain cells, thus bringing about neurodegeneration.2. Type 2 DiabetesThese diseases show a strong relationship and those individuals diagnosed with type 2 diabetes have double chances of getting Alzheimer's. In the two, the main causes can be chronic inflammation, oxidative stress, and a defect in glucose metabolism. 3. Environmental and Lifestyle FactorsInsulin resistance associated with obesity, stress, and an unhealthy diet is considered a cause that may increase the chances of Alzheimer's disease.Researches in Frontiers in Neuroscience and The Lancet Neurology have also highlighted that drugs used for antidiabetic medication may be crucial for the prevention or at least slowing down the course of Alzheimer's. Treatments for Type 3 DiabetesIn 2022, in a study in Pharmaceuticals, researchers studied biomarker uptake in brain regions implicated in the faulty uptake and metabolism of blood sugar in Alzheimer’s patients. Emerging TherapiesResearch into such treatments as intranasal insulin has also been promising. Intranasal delivery of insulin directly to the brain has been reported to enhance glucose uptake by brain cells, improve memory, and boost cognitive performance. While such clinical trials have been shown to be successful, additional research is needed for safety and efficacy. MedicationsFor patients being aggressive or agitated, antipsychotic drugs may be prescribed; however, therapies such as cognitive rehabilitation as well as cognitive stimulation therapy serve to preserve memory and executive function. Lifestyle InterventionsDiet, exercise, and stress management are critical in preventing and managing insulin resistance. A review in the Journal of Alzheimer's Disease also highlighted the benefits of Kirtan Kriya meditation, which can regulate genes involved in insulin and glucose metabolism, improve sleep, and reduce inflammation. Can Type 3 Diabetes Be Prevented?Although type 3 diabetes is not officially recognized, its connection to Alzheimer’s disease underscores the importance of proactive measures for brain health. Some prevention strategies include: 1. Healthy DietConsuming a balanced diet rich in antioxidants, whole grains, and healthy fats may support brain health. 2. Regular ExercisePhysical activity improves insulin sensitivity, reduces inflammation, and enhances overall metabolic health. 3. Stress ReductionMindfulness practices, including meditation, have been shown to lower stress levels, which can reduce the risk of cognitive decline.The term type 3 diabetes brings out the complex relationship between metabolic disorders and brain health. Even though it is not a recognized medical condition, the concept emphasizes the crucial role of insulin in brain function and its possible contribution to Alzheimer's disease. Continued research will hopefully provide hope for therapies such as intranasal insulin and lifestyle modifications.