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What causes dementia

A 47-year-old member asked:
Dr. Linda Callaghan
53 years experience Addiction Medicine
Many factors: such as inherited predisposition as in Alzheimer's Dementia , Vascular Dementia is caused by hardening of the arteries with decreased blood flow to ... Read More

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A 21-year-old member asked:
Dr. Maureen Nash
24 years experience Geriatric Psychiatry
The brain areas: Each different type of dementia causes damage to different parts of the brain. The symptoms a person has depends on the brain areas affected.
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Dr. Maureen Nash
24 years experience Geriatric Psychiatry
Damage to the brain: Dementia is a general term for a number of different types of illnesses each of which affect important brain functions. The symptoms a person has depe ... Read More
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Dr. Susan Uhrich
36 years experience Psychiatry
Causes: There are several types of dementia, but basically they are caused by either vascular disease or by genetic factors.
A 39-year-old member asked:
Dr. Ladislav Volicer
62 years experience Geriatric Psychiatry
Nobody knows: In most cases, it is not clear what are the causes of alzheimer's disease. In some cases, the cause is an abnormal gene but that is true in only about ... Read More
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Dr. Brian Wosnitzer
18 years experience Nuclear Medicine
Amyloid...: Alzheimer's and some other dementias are related to buildup of beta amyloid plaques in the brain. Genetics often play a role as well.
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A 69-year-old male asked:
Dr. Alvin Lin
Dr. Alvin Lin answered
30 years experience Geriatrics
Loss of memory: By definition, dementia is 1) loss of memory & 2) loss of function, whether speech, coordination, planning, etc. Strange behavior can result from ... Read More
A 33-year-old member asked:
Dr. Ernest Bordini
32 years experience Clinical Psychology
Lots of contributors: Hypertension, heart disease and diabetes are medical illnesses which contribute. Certainly lifestyle issues such as smoking and alchol can contribute ... Read More
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A female asked:
Dr. Felix Brizuela
32 years experience Neurology
From demenia: Incontinence is not uncommon in certain dementias, but I would look into an EEG to make sure that they are not having seizures, which are more common ... Read More
A 37-year-old member asked:
Dr. Neil Liebowitz
39 years experience Psychiatry
Many causes: Some are heredity like huntingtons, early alzheimers, some are vascular with same risk as heart disease, others are due to infection (menigitits) or t ... Read More
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A 48-year-old member asked:
Dr. Lynne Weixel
36 years experience Clinical Psychology
Allele, not a mutant: It's not well understood, but often appears in those w/ Parkinson's, so a link with the PARK11 gene has been studied. Like Alzheimer's or Parkinson's, ... Read More
A 37-year-old female asked:
Dr. Bennett Machanic
52 years experience Neurology
Pseudo dementia : Drugs do not cause alzheimer's, but numerous medicines can make it far worse due to anti-cholinergic side effects, and many elderly pts can seem to be ... Read More
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