Scientists have discovered why some people with a high genetic risk of Alzheimer’s remain mentally sharp into their 80s, uncovering a rare mutation that protects the brain from harmful protein buildup. The findings reveal a potential new way to prevent early brain damage and could pave the way for treatments that mimic this natural defense.
Researchers at Columbia University have identified a biological mechanism that explains why some people with high genetic risk of developing Alzheimer's remain cognitively healthy until the age of 80.