People whose mothers had Alzheimer's appear to have a greater risk of developing dementia themselves, reports the Los Angeles Times. University of Kansas researchers studied the brains of about 50 healthy senior citizens over two years and found that those whose mothers had the disease showed the most deterioration, especially in the areas associated with memory. Those whose fathers had Alzheimer's and those whose parents never got it fared better. The full study is in the journal Neurology, which requires a subscription. (More Alzheimer's disease stories.)