Is a progressive degenerative disease of the brain in which beta-amyloid peptide deposits and neurofibrillary tangles appear and that ultimately results in dementia (mental deterioration).

Alzheimer's disease is a progressive degenerative disease of the brain in which beta-amyloid peptide deposits and neurofibrillary tangles appear and that ultimately results in dementia (mental deterioration). It is disease if the brain where neurofibrillary tangles and beta-amyloid peptide deposits appear. It would result to a slow and progressive memory loss and control of motor movements and also increasing dementia. This disease accounts for about 60 to 80 percent of the people with dementia. Currently, no current cure has been found for this disease. Treatments done are only to slow down the worsening of the disease and to improve the quality of life of the person.

Im not sure if you still need this but the answer is 300 hz450 hz  i just did this lesson so , wish you the best of luck and take care

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