High levels of the protein beta-amyloid in the brain that is associated with Alzheimer’s disease may affect brain performance even in healthy adults, according to a study published in the February 1, 2012, online issue of Neurology®, the medical journal of the American Academy of Neurology.

“In our study, we observed that even in…    



Women Have Higher Genetic Risk of Alzheimer’s

A major genetic risk factor for Alzheimer’s disease - the E4 variant of the apolipoprotein E (APOE) gene - manifests itself more often in women than in men, researchers reported.

In a cohort of cognitively healthy older men and women, carrying the E4 variant was associated with deficits in brain connectivity in women, but…    



Gene May Help Identify Risk of Alzheimer’s in African Americans

Researchers at Mayo Clinic in Florida participated in a nationwide study that found minor differences between genes that contribute to late-onset Alzheimer’s disease in African-Americans and in Caucasians.

The study, published April 10 in The Journal of the American Medical Association, was the first to look at the genetics of a large number of…