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Doctor insights on: Is Dementia Hereditary

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My Grandmother has been diagnosed with the early stages of Dementia. Is this disease hereditary and if not, what can I do to prevent it?

My Grandmother has been diagnosed with the early stages of Dementia. Is this disease hereditary and if not, what can I do to prevent it?

Incomplete data: Research seems to suggest a genetic contribution but it is of uncertain strength and not to a single or even simple set of genes. Living longer has increased the numbers of people who decline cognitively but causes differ. Some are gradual and easier to deal w/. Some rapid and frightening. Healthy living in all respects is the best prevention-like strategy, but no one knows. If we did, Wow! ...Read more

Dr. Maureen Nash
1,422 doctors shared insights

Dementia (Definition)

Dementia is a condition characterized by loss of brain function, manifesting as deficits in memory, reasoning, and judgment, as well as changes in behavior. These deficits are beyond what is ...Read more


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Is dementia hereditary?

Is dementia hereditary?

Yes and no: If there is an illness that runs in your family you should speak to your doctor about it. There are many many types of dementia. Some of them are genetically passed on while others aren't. The most common type of dementia is alzheimers disease and there are 2 forms. The early onset form is highly heritable. Alcoholic dementia is not inherited though a propensity for alcohol dependence can be. ...Read more

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Is Alzheimer's or dementia hereditary?

Is Alzheimer's or dementia hereditary?

Yes to some degree: 60% of all pts with Alzheimer's Disease have first degree relative (often a parent) that had AD. There are genetic tests one called ApoE4 which can indicate you are low, medium or high risk in your life to develop this illness. I do not recommend such testing as there are no proven treatments that can slow or prevent Alzheimer's Disease from developing. Stay active mentally and physically! ...Read more

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Is vascular dementia hereditary?

Is vascular dementia hereditary?

Vascular Dementia: Major risk factors are advancing age, with cardiovascular problems, cholesterol, sugar problems, smoking & alcohol. ...Read more

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Is dementia hereditary disease? What cautions should be taken to patient in order to live a safe life?

Is dementia hereditary disease? What cautions should be taken to patient in order to live a safe life?

Yes and no: If there is an illness that runs in your family you should speak to your doctor about it. There are many types of dementia. Some of them are genetically passed on while others aren't. The most common type of dementia is alzheimers disease and there are 2 forms. The early onset form is highly heritable. Alcoholic dementia is not inherited though a propensity for alcohol dependence can be. ...Read more

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Is frontaltemporal dementia hereditary? My mom has it, but no other relatives (dad, grandparents, aunts/uncles) have had it.

Can well be : Although precise hereditary data is lacking due to the variable nature of many ftd presentations, it is thought that 20% may be associated with a mutation affecting chromosome 17, and there may be at least 4 different allelic presentations. ...Read more

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Does someone know details about Lewy body dementia? Is it hereditary. Do other family members need checking?

Does someone know details about Lewy body dementia?  Is it hereditary.  Do other family members need checking?

Brain degeneration: The late life dementias are often characterized by the names of the proteins that accumulate. Lewy body dementia is also known as a synucleinopathy because the protein that builds up is called synuclein. When synuclein forms clumps, those clumps are called lewy bodies. There is no genetic test for lewy body disease. The cause is unknown. Lewy bodies in the brainstem cause parkinson's. ...Read more

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My Grandmother has been diagnosed with the early stages of Dementia. Is this disease hereditary and if not, what can I do to prevent it?

Incomplete data: Research seems to suggest a genetic contribution but it is of uncertain strength and not to a single or even simple set of genes. Living longer has increased the numbers of people who decline cognitively but causes differ. Some are gradual and easier to deal w/. Some rapid and frightening. Healthy living in all respects is the best prevention-like strategy, but no one knows. If we did, Wow! ...Read more

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Which dementias are inherited?

Which dementias are inherited?

Every illness we: Humans can get is at least partly related to our genetics, so all of them. But that is not the same as inherited eye color. It's much more complicated. So if a parent has dementia, do not assume you will inherit it. ...Read more

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Is there hereditary component of senile dementia?

Yes to DAT and FTD: For early onset Alzheimer's, there are 3 rare genes that increase risk markedly. These are very rare. For late onset, there in one gene that elevates risk some. For frontotemporal dementias, genetics are behind about 40% of those cases. ...Read more

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