What is type 3 diabetes: Symptoms, Treatment, Causes

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What is type 3 diabetes: Symptoms, Treatment, Causes

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Type 2 diabetes mellitus (DM) and dementia are two diseases that are quite common nowadays and are likely linked. As a result, the name type 3 diabetes was coined to attempt to integrate the possible pathogenetic processes common by DM and Alzheimer’s disease (AD). In the last decade, substantial epidemiological evidence linking diabetes and dementia has emerged.

As per a recent full meta-analysis, diabetic people had a relative risk of 1.464 of developing Alzheimer’s disease. Diabetes has been linked to a higher risk of dementia in those who also have a genetic susceptibility, as well as when diabetes is detected early on in life. Although the impact is less in older groups, diabetes remains a risk factor even in those over the age of 85.  

Hyperinsulinemia and insulin resistance are thought to be health risks for Alzheimer’s disease because they can cause neuron death and enhance the production of extracellular -amyloid deposits. 1–3 Excess -amyloid can be eliminated in normal circumstances by the lipoprotein receptor-related protein 1 (which lowers if insulin resistance is present) or by a breakdown process involving the insulin-degrading enzyme (IDE). Insulin transfer through the blood-brain barrier will be reduced if persistent peripheral hyperinsulinemia persists.

Type 3 Diabetes

Type 3 Diabetes

Diabetes mellitus (commonly known as DM or diabetes) is a disorder in which your body has trouble transforming sugar into energy. There are three types of diabetes that most people are familiar with:

Type 1 diabetes (T1DM) is a long-term health issue in which your pancreas’ endocrine system fails to produce sufficient insulin, causing your blood glucose levels to rise too excessively.

Type 2 diabetes (T2DM) is a long-term disorder in which your body accumulates insulin resistance, and your blood sugar levels rise too high.

Gestational diabetes (GDM) is DM that develops during pregnancy when blood sugar levels are abnormally high. 

According to several studies, Alzheimer’s disease should be categorized as a form of diabetes known as type 3 diabetes. 

This “type 3 diabetes” is a phrase coined to reflect the theory that Alzheimer’s disease, a leading cause of dementia, is caused by a form of insulin resistance and insulin-like growth factor malfunction that happens only in the brain.

Some people have used this term to refer to people who have type 2 diabetes and have been identified with Alzheimer’s disease dementia. The diagnosis of type 3 diabetes is contentious, and it is not universally acknowledged as a clinical diagnosis by the medical profession. 

The health condition referred to above as “type 3 diabetes” should not be mistaken with type 3c diabetes mellitus.

The pancreas contains both endocrine and exocrine glands, each with its own function. Insulin is a hormone produced and secreted by beta-islet cells in the endocrine pancreas tissue known as the Islets of Langerhans.

T3cDM occurs when the exocrine pancreas gets sick and subsequently produces secondary damage to the endocrine pancreas, resulting in DM. Pathologies of the exocrine pancreas that can lead to T3cDM include: 

  • Exocrine pancreatic malignancy
  • chronic pancreatitis
  • cystic fibrosis

Diabetes and Alzheimer’s disease are linked

According to the Mayo Clinic, Alzheimer’s disease and type 2 diabetes have already been connected. The progression of Alzheimer’s disease has been associated with insulin resistance inside the brain. Alzheimer’s disease is also known as “brain diabetes” by certain people. This claim is supported by science, although it is oversimplified.

Diabetes, if remains unaddressed, can lead to severe complications, including those in your brain, over time. Many patients with type 2 diabetes are unaware that they have the disease, which can cause delays in assessment and treatment.

As a result, people with type 2 diabetes, particularly undiagnosed diabetes, are more likely to suffer from this type of damage. 

Diabetes can lead to chemical imbalances in the brain, which can lead to Alzheimer’s disease. High blood glucose levels can also cause inflammation, which can harm brain cells.

Diabetes is recognized as a risk factor for vascular dementia because of these factors. Vascular dementia can be a discrete diagnosis with its own set of symptoms, or it can be a precursor to an Alzheimer’s disease comorbidity.

This process’ science is debatable. For the time being, it’s been shown that some cases of Alzheimer’s disease and other forms of dementia do not appear to be linked to insulin resistance. 

Causes and risk factors of type 3 diabetes

Causes and risk factors of type 3 diabetes

People with type 2 diabetes are up to 60% more likely to acquire Alzheimer’s disease or some other form of dementia, such as vascular dementia, according to a 2016 study.

More than 100,000 adults with dementia took part in this study. Women with type 2 diabetes had a higher risk of acquiring vascular dementia than males, according to the study.

The following are some of the risk factors for type 2 diabetes: 

• a history of diabetes in the family

• hypertension (high blood pressure) 

• being obese or overweight

• anxiety and polycystic ovary syndrome, among other chronic health issues (PCOS) 

Symptoms of type 3 Diabetes

Symptoms of type 3 Diabetes

Type 3 diabetes symptoms are similar to dementia symptoms, such as those seen in Alzheimer’s disease in its early stages.

The Alzheimer’s Association lists the following symptoms: 

• memory loss that interferes with daily activities and social interactions

• inability to do familiar tasks 

• frequent misplacing of items 

• inability to do familiar tasks 

• frequent misplacing of items 

• impaired capacity to make decisions based on knowledge 

• personality or manner changes 

Diagnosis of type 3 diabetes

Diagnosis of type 3 diabetes

Type 3 diabetes does not have a specific test. Alzheimer’s disease is diagnosed using the following criteria:

• a neurological evaluation

• a medical history 

• neurophysiological screening

Several inquiries about your family history and symptoms will be asked by your healthcare practitioner.

Imaging investigations of the head, such as MRI and CT scans, can provide your doctor a glimpse of how your brain is performing. Cerebrospinal fluid tests can also be used to look for signs of Alzheimer’s disease.

If you have symptoms of type 2 diabetes and Alzheimer’s but haven’t been confirmed with either, your healthcare provider may perform a fasting blood glucose test and a glycated hemoglobin test.

If you have type 2 diabetes, it’s critical that you start treatment right away. Type 2 diabetes treatment may reduce damage to your body, including your brain, and may decrease the progression of Alzheimer’s disease or dementia. 

Treatment for Type 3 Diabetes

Treatment for Type 3 Diabetes

People with the following conditions have different treatment options:

Alzheimer’s

Adjustments in your lifestyle, such as changing your food and incorporating exercise into your daily routine, can be an important element of your treatment.

Here are some more therapy suggestions:

As per Mayo Clinic, if you’re obese, you should strive to shed 5 to 7% of your body mass. This may help prevent the development of pre-DM2 to DM2 by preventing organ damage caused by high blood sugar levels. 

  • A low-fat, high-fiber diet rich in fruits and veggies can help alleviate problems.
  • Quitting smoking is advised if you smoke since it can help you to manage your health.
  • If you have type 2 diabetes with Alzheimer’s disease, controlling your blood sugar is essential for slowing dementia development.
  • Anti-diabetes medications metformin and insulin, according to a 2014 study, may reduce the risk of diabetes-related brain damage.
  • Prescription medications are available for the treatment of Alzheimer’s dementia cognitive symptoms, but it’s uncertain if they have a major impact on the disease’s symptoms.
  • Acetylcholinesterase inhibitors like donepezil, galantamine, and rivastigmine can improve the way your body’s cells communicate.

Memantine (Namenda), an NMDA-receptor antagonist, may also help to reduce symptoms and postpone the onset of Alzheimer’s disease. 

Mood changes and sorrow are two signs of Alzheimer’s disease and other dementia types that may be treated with psychotropic medications. Antidepressants and anti-anxiety medications may be prescribed in some cases.

Some people may require a low-dose antipsychotic medication later on in the dementia progression.

The future of type 3 diabetes

When Alzheimer’s disease is accompanied by insulin resistance in the brain, it is known as type 3 diabetes. As a consequence, your prognosis will vary based on a variety of factors, including your diabetes medication and the severity of your dementia. 

Researchers that advocate for type 3 diabetes diagnosis claim that if you can treat your diabetes properly with food, exercise, and medication, you may be able to delay the onset of Alzheimer’s or vascular dementia, albeit the evidence is mixed.

Your prognosis will also be determined by how promptly your symptoms were discovered and how your doctor views your specific scenario. The sooner you begin therapy, the more likely you are to have a great outcome.

It is believed that a person with Alzheimer’s disease has a life expectancy of 3 to 11 years from the moment they are diagnosed. However, some persons with Alzheimer’s disease might live for up to 20 years after being diagnosed.

How to prevent Type 3 diabetes

How to prevent Type 3 diabetes

There are strategies to better treat type 2 diabetes and reduce your chance of acquiring type 3 diabetes if you currently have it.

Here are a few tried-and-true strategies for treating type 2 diabetes and preventing organ damage:

• Try exercising for 30 minutes four times a week and eat healthy meals that are low in saturated fat, high in protein, and high in fiber.

• Carefully check your blood sugar levels as directed by your healthcare provider.

• Take prescription drugs on time and as directed.

• Keep an eye on your cholesterol levels.

• Maintain healthy body weight. 

Type 3 diabetes (Alzheimer’s disease) has no known cure. There are, however, a variety of therapy alternatives that can help to minimize the intensity of symptoms and extend a person’s life.

Even though this varies from person to person, some persons with Alzheimer’s disease do not display symptoms for years.

The majority of Alzheimer’s patients eventually die from a cause other than the illness. Alzheimer’s disease, on the other hand, can create neurological difficulties, which can lead to:

a person breathing food into their lungs, possibly resulting in chest infection, trouble eating, and/or a loss of appetite.

In the last stages of Alzheimer’s disease, individuals may require palliative care to enhance their quality of life.

Insulin resistance in the brain, according to scientists, can cause amyloid plaques, oxidative stress, and inflammation, which are all hallmarks of Alzheimer’s disease.

While further research is needed, investigations indicate that certain factors appear to raise the risk of Alzheimer’s disease. Obesity, a lack of physical activity, and high blood pressure are all examples.

Diet and lifestyle adjustments can help people manage their weight and blood glucose, which may help them avoid cognitive deterioration. 

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