What are causes of dementia?

There are many factors that cause dementia in different patients:

  • Diseases such as Alzheimer’s, Parkinson’s, or Huntington’s that cause degeneration or loss of nerve cells in the brain
  • Diseases or conditions such as a stroke that affect blood vessels
  • Toxic reactions to excessive drugs or alcohol usage
  • Nutritional deficiencies like not having enough B12
  • Having an infection that affects the brain or spinal chord
  • An accumulation of fluid in the brain that can result from developmental abnormalities, infections, injury, or brain tumors
  • A head injury, whether severe or ongoing (such as in the sport of boxing)
  • Kidney, liver, and lung diseases, can all lead to dementia.

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