University of California Scientists Share New Alzheimer’s Study Results

The neuron-killing pathology of Alzheimer’s disease (AD) — which begins before clinical symptoms appear — requires the presence of both amyloid-beta (a-beta) plaque deposits and elevated levels of an altered protein called p-tau, a new study reports. Without both, progressive clinical decline associated with AD in cognitively healthy older individuals is “not significantly different from zero,” say scientists at the University of California, San Diego School of Medicine. Their research appears in the April 23 online issue of Archives of Neurology. For more information, click here to read the full article.