New Blood Test Can Detect Alzheimer’s Long Before Symptoms Develop – IFLScience

A simple blood test could help sniff out signs of Alzheimer’s disease years before any clear symptoms appear, according to a new study in the Journal of Experimental Medicine.
Alzheimer’s disease is caused by the abnormal buildup of proteins amyloid- and tau in the brain. This can eventually lead to a form of dementia characterized by progressive loss of cognition involving memory, difficulty with problem-solving, confusion, and disorientation. However, its known that changes in the brain invo…