Fox News | Tau protein, not plaque, may cause Alzheimer's, study says Fox News According to researchers, their findings have major implications for designing therapies for Alzheimer's disease, a type of dementia which affects more than 5 million Americans and is the sixth leading cause of death in the U.S. The disease causes ... Is Tau the 'How' Behind Alzheimer's? Tau Protein Leads To Neuronal Death in Alzheimer's Researcher Debunks Alzheimer's Development Theory |