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Causes of dementia : types, stages and symptoms

by Editor
January 17, 2025
in Health and Fitness
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Causes of Dementia
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Causes of dementia: types, stages, and symptoms

Dementia is a combination of medical symptoms associated with deficits in all or some parts of the brain and their functions.

Dementia affects individuals differently, depending on the part of the brain is affected.

Table of Contents

  • Causes of dementia
    • Other Causes of dementia are;
      • The main types of progressive dementia are;
      • Symptoms of dementia

Causes of dementia

Not all dementia causes are known, as several diseases cause dementia, including medication side effects, vitamin deficiencies, and thyroid problems. 

Other Causes of dementia are;

Age

Genetic 

Traumatic brain injury 

The main types of progressive dementia are;

  1. Alzheimer’s disease
  2. Vascular dementia
  3. Mixed dementia 
  4. Frontotemporal dementia
  5. Lewy body dementia
  • Alzheimer’s disease: Is the most common cause of dementia and accounts for over 60 percent of cases. Alzheimer’s disease patients have abnormal proteins in their brain cells. 

The abnormal proteins damage healthy nerve cells and chemical connections between brain cells. 

Abnormalities in the gene can increase your risk of having dementia, but research shows that a particular gene increases your risk at a higher chance.

Apolipoprotein E4 (APOE) in your gene means dementia could run in your family.

Read Also: How to Fix Cracked Heels at Home

Causes of Dementia

  • Vascular dementia: Is the second most common type of dementia. When the arteries are tighter, and the blood flow to the brain is reduced. This can damage the nerve cells. Vascular dementia occurs when there is a blood vessel blockage in the brain
  • Mixed dementia: This indicates that the patient has a combination of different types of dementia, for example, an individual diagnosed with Alzheimer’s disease and vascular dementia together.
  • Frontotemporal dementia is a group of conditions associated with deficits of the brain’s front and side parts. The areas most affected are associated with behavior and personality.
  • Lewy body dementia: is named after the scientist who discovered them. It occurs when abnormal proteins in the nerve cells prevent the brain from sending chemical signals.

Stages of progressive dementia

The majority of dementia cases are progressive. The stages below show that the symptoms get worse gradually.

Stage 1: Patient has no activity limitation

Stage 2: Patient has no activity limitation, but started showing symptoms

Stage 3: Patient started showing little restrictions on daily activities

Stage 4: Patient needs help with daily activities 

Stage 5: Patient has significantly low physical or mental abilities

Stage 6: Patient unable to function independently

Symptoms of dementia

Some diseases show symptoms like dementia, but the most common symptom of dementia is;

  1. Difficulty understanding what is seen 
  2. Inability to focus
  3. Memory loss 
  4. Inability to communicate properly 

Disclaimer: Any action you take upon the information presented in this article is at your own risk. This article is strictly for informational purposes. The author is not a medical practitioner and as such you should not substitute the information here for professional advice.

Editor

Editor

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