A new blood test could detect Alzheimer's before symptoms emerge

Alzheimer's disease is an incredibly serious late-life aliment that can have a massive impact on an individual's quality of life and self sufficiency. The good news is that treatments can dramatically limit the damage the disease causes, but they have to be administered early in its progression. Detecting Alzheimer's can be tricky, especially when symptoms are initially mild or non-specific. In a new study, researchers describe a new blood test that could potentially detect the disease even befo...