People At Genetic Risk For Alzheimer's Age Mentally Just Like Noncarriers Until Old Age

... Australian researchers say that a genotype that heightens the risk for Alzheimer's disease does not contribute to cognitive change during most of adulthood. The largest study of its kind has found that carriers and non-carriers show the same type and extent of normal age-related cognitive declines, decades before carriers start to more often develop symptoms of dementia. [click link for full article] ...