Tag Archives: Test

Blood test is highly accurate at identifying Alzheimer’s before symptoms arise

Up to two decades before people develop the characteristic memory loss and confusion of Alzheimer’s disease, damaging clumps of protein start to build up in their brains. Now, a blood test to detect such early brain changes has moved one step closer to clinical use. Researchers from Washington University School of Medicine in St. Louis… Read More »

Blood test can diagnose fetal genetic disorders early in pregnancy

Genetic disorders can be detected early in pregnancyNEIL BROMHALL/SCIENCE PHOTO LIBRARY By Sam Wong A new test allows doctors to diagnose genetic disorders in fetuses early in pregnancy by sequencing small amounts of fetal DNA in the mother’s blood. Non-invasive prenatal tests are already available for chromosome disorders such as Down’s syndrome. Two years ago,… Read More »