Three scientists learned they carry genes that significantly increase their risk for Alzheimer’s. Latest Alzheimer’s lab tests focus on memory loss, not brain plaques New tests of blood and spinal fluid can identify people experiencing memory loss from Alzheimer’s disease. Researchers Explore Why Women’s Alzheimer’s Risk Is Higher Than Men’s Scientists are gaining insights into why Alzheimer’s is more common in women. He decided to devote his career to running clinical trials of Alzheimer’s drugs in hopes of finding one that might protect his brain. She began working with advocacy groups including the APOE4-4 Alzheimer’s Alliance .