What causes dementia?

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 the brain causing microvascular changes as in strokes, repeated blows to the brain as in those incurred in sports, boxing, football . Accidents causing concussions or traumatic brain injuries like explosions in war. Diseases like Parkinson's Disease.

Related Questions

What causes dementia and its symptoms?

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. Read more...
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 depend on the areas of the brain affected. Read more...
Causes. There are several types of dementia, but basically they are caused by either vascular disease or by genetic factors. Read more...

What causes dementia and alzheimer's?

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 5% of people with alzheimer's disease. Read more...
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. Read more...

What are the causes of dementia?

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 trauma (ie multiple head trauma), some related to auto immune disease. Clearly too many types to worry about. Eat healthy and exercise, get regular check-up and enjoy your brain now. Read more...
Multiple. Some dementia is ideopathic (i.e. Unknown) but other forms of dementia can be secondary to chronic disease (e.g. Huntington's), injury (e.g. Brain trauma), toxins (e.g. Chronic alcohol abuse) , or a nutritional deficiency (of b-12). Here's a good resource: http://goo.Gl/fce1c. Read more...

What type of mutation causes dementia with lewd bodies?

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, most cases since not all end up w/ it LBD is not thought to be strongly inheredited. Yet LBD risk is heightened w/ inheritance of an allele. Info here: https://en.wikipedia.org/wiki/Dementia_with_Lewy_bodies. Read more...

What type of drugs cause dementia or alzheimers?

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 demented due to drug effects, which reverse when med is modified. Read more...
Alcohol. We have no evidence alzheimer's is caused by a drug. However chronic excessive alcohol use is associated with dementia. There are negative cognitive effects of many other drugs including marijuana and opiates but few dementia syndromes described. To cause dementia there would need to be brain damage. Read more...
There are many. Agents that can contribute to cognitive decline although none are known to specificallly cause alzheimer's disease. In general it is best to avoid what are known as anti-cholinergic agents in the elderly since these can cause side effects including cognitive worsening. Read more...