A method for diagnosing Alzheimer's Disease, comprising the steps of: obtaining a non-neural tissue biopsy sample; contacting at least a portion of the sample with at least one antibody capable of identifying beta -amyloid protein, a beta -amyloid precursor protein fragment comprising beta amyloid protein, or a beta -amyloid peptide fragment of about 8 or more amino acids; and monitoring the extent of reaction between the contacted sample and the antibody.
DIAGNOSTIC METHOD FOR ALZHEIMER'S DISEASE: EXAMINATION OF NON-NEURAL TISSUE