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. The findings suggest that the higher-risk genotype acts only in later years to layer disease on top of normal aging. [click link for full article]
More...
Linear Mode
