Genetic Variation May Reduce Alzheimer's Risk

... Adults with a genetic variation enabling them to express higher levels of fetal hemoglobin may have a reduced risk of Alzheimer's disease, researchers say.A study of 209 families with at least two siblings with Alzheimer's and one unaffected sibling showed that those with this genetic variation are less likely to have the disease, researchers say in Neurobiology of Aging. [click link for full article] ...