Though Dr. Mary T. Newport has provided professional care to newborns since 1983, she's led a double life since 2000 when she became a caregiver at home. That's when her beloved husband, Steve, first showed signs of Alzheimer's disease. After his deterioration accelerated in 2004, Dr. Newport began avidly researching ways to keep him functional for as long as possible. Since she understands medical terminology and scientific methods, she was thrilled to find new research showing that medium- chain fatty acids, which act like an alternative fuel in the insulin-deficient Alzheimer's brain, can...