There have also been Brain C 13 other genetic mutations identified that may account for a predisposition to Alzheimer's and these occur on chromosomes 1, 12, 19 and 21.A slow-acting virus has been identified as a cause of some brain disorders that closely resemble Alzheimer's. These infections may precede the onset of Alzheimer's by many years and create an inflammatory process that damages the brain predisposing it to disease and deterioration.
Forgetfulness is normal for humans. With a lot of things that you have to think about and remember in your everyday life, absolutely you will have a hard time remembering everything. Usually, older people are prone to be forgetful, which is a sign of aging. But, you need be aware of the disease called Alzheimer's which usually affects older people.
People who are suffering from Alzheimer's disease will forget things that they recently knew. And, they will find it very difficult to remember things in the later stage of this disease. Alzheimer's disease symptoms include not able to remember tasks they usually do. For instance, they might forget brushing their teeth, taking a bath, preparing their meals and even walking or sleeping.