JOHN C. MORRIS, MD Friedman Professor of Neurology Co-Director, Alzheimer Disease Research Center Director, Memory Diagnostic Center Washington University School of Medicine
St Louis, Missouri
DAVID A. SNOWDON Author, Aging With Grace: What the Nun Study Teaches Us about Leading Longer, Healthier, and More Meaningful Lives (Bantam, 2001) Professor, Neurology Director, The Nun Study Sanders-Brown Center on Aging University of Kentucky
RUDOLPH TANZI Co-author, Decoding Darkness: The Search for the Genetic Causes of Alzheimer's Disease (Perseus Publishing, 2000) Professor, Neurology Harvard Medical School Director, Genetics and Aging Research Unit Massachusetts General Hospital
A recent survey found that 4 million Americans have Alzheimer's disease, 19 million Americans have a family member with Alzheimer's, and 37 million Americans know someone with the disease. But scientists still have a long way to go just to understand the complex causes of Alzheimer's, let alone prevent it. In this hour of Science Friday, we'll take a look at the latest in Alzheimer's research. Are we any closer to understanding - and preventing - one of the most serious diseases of aging?