What is Alzheimer's disease?

Alzheimer's disease . Dementia is a broad term for the deterioration of brain function resulting in memory loss, reduction in language skills and behavioural and emotional problems. Alzheimer’s disease is the most common type of dementia, accounting for more than half of all cases.

Alzheimer’s disease is rare before the age of 60 but the risk of developing it increases with age. As the population ages, the number of people with Alzheimer’s disease, and other dementias, will increase.
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Related Questions

What is Alzheimer's disease?

Brain degeneration. Alzheimer's disease (ad), is one form of dementia that gradually gets worse over time. It affects memory, thinking, and behavior. For more information look at www.Ncbi.Nlm.Nih.Gov. Read more...
Common dementia. Alzheimer's disease is the most common type of dementia. Memory problems, word finding problems, word substitutions errors, getting lost in places that are familiar are often early symptoms. Also forgetting how to use tools that you used to know how to use. Finally, trouble evaluating info and following plans happen later. Read more...
Memory loss. Alzheimer's disease is a disease that presents itself as a progressive loss in memory starting with short-term memory and then long-term memory. The definitive diagnosis is made at time of death by finding neurofibrillary tangles in the brain. Read more...

What is alzheimer's disease?

Dementia. Alzheimer's is a specific form of dementia which includes severe short term and intermediate memory disturbance. There is some evidence it is genetic. There are very specific changes I the brain, but these are not easily identified by current brain scans. Read more...
Memory loss. Alzheimer's disease is a disease that presents itself as a progressive loss in memory starting with short-term memory and then long-term memory. The definitive diagnosis is made at time of death by finding neurofibrillary tangles in the brain. Read more...

What is alzheimer's disease?

A form of dementia. Alzheimer' s disease is one type of dementia, conditions marked by of decline in cognitive status because of brain changes which lead to problems functioning. Its exact cause is not known but the greatest risk factor is old age and some forms that run in families. Sometimes other reversible conditions such as depression or low sodium can mimic symptoms so a careful diagnosis is the first step. Read more...
Memory loss. Alzheimer's disease is a disease that presents itself as a progressive loss in memory starting with short-term memory and then long-term memory. The definitive diagnosis is made at time of death by finding neurofibrillary tangles in the brain. Read more...

What causes Alzheimer's disease?

Unknown at present. Alzheimer's disease is one type of dementia, conditions marked by of decline in cognitive status & because of problems functioning.In spite of continuing research at this time exact cause is not known but greatest risk factor is old age & some forms run in families. Sometimes other conditions such as depression or low sodium can mimic symptom or worsen QOL so a careful diagnosis is first step. Read more...
Multifactorial. There are many things we cite as risk factors for Alzheimer's disease. Lack of exercise, lack of reading, hypertension, diabetes, poor diet, the list is quite extensive, attached you can find a YouTube video we did some time ago which lists some additional risk factors. https://www.youtube.com/watch?v=LhvBbg7HGMI. Read more...

Help! What is alzheimer's disease?

Common dementia. Alzheimer's disease is the most common type of dementia. Memory problems, word finding problems, word substitutions errors, getting lost in places that are familiar are often early symptoms. Also forgetting how to use tools that you used to know how to use. Finally, trouble evaluating info and following plans happen later. Read more...
Brain failure. Alzheimer's disease (ad), is one form of dementia that gradually gets worse over time. It affects memory, thinking, and behavior. You can get more information at www.Ncbi.Nlm.Nih.Gov. Read more...
Memory loss. Alzheimer's disease is a disease that presents itself as a progressive loss in memory starting with short-term memory and then long-term memory. The definitive diagnosis is made at time of death by finding neurofibrillary tangles in the brain. Read more...

Help docs! I'm trying to find out what causes Alzheimer's disease?

We are too! No one knows what causes alzheimers disease. Age is the main variable: the older the person, the more likely. Family history ; heredity are factors too. However, all of these are out of our control. Looking at controllable factors, past brain injury and cardiovascular health seem to increase risk. See: http://www.Alz.Org/alzheimers_disease_causes_risk_factors.Asp. Read more...
Complex. The abnormal deposition of amyloid and tau protein in the brain. We are not sure what starts the cascade of inflammation and neuronal damage . It is a complex mechanism - partially genetically based- but likely environmental as well. Present therapies focus on boosting chemicals in the brain that become deficient. Future therapies will remove abnormal protein and prevent their deposition. Read more...

What usually causes alzheimer's disease?

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...
Unknown. That is a billion or trillion dollar question. We know that when people have Alzheimer's parts of their brains die off in a certain order and cause specific symptoms. A myeloid plaques and tau tangles are found in people's brains. But we still don't know exactly what triggers the disease. Read more...

What usually causes alzheimer's disease?

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...

Please answer! What virus causes alzheimer's disease?

Not a virus. Ad is caused by an abnormal accumulation of a protein in the brain called beta amyloid. It is not known what starts the disease or how to prevent progression. There are drugs available to slow progression but no cure as of yet. Read more...