The internationally acclaimed story of Hannah's Heirs now resumes in this updated paperback edition with the discovery in June, 1995 of Hannah's gene--now known to account for the majority of mutations causing early onset familial Alzheimer's disease--and the equally important identification of the major genetic risk factor rendering increased susceptibility to the more frequently occurring late-onset Alzheimer's. With these recent discoveries, medical science is now poised to reach for an understanding of the causes of the various forms of Alzheimer's disease which, in turn, will...