Your nose could detect Alzheimer’s years before memory loss
Short excerpt below. Click through to read at the original source.
Researchers have uncovered why smell often fades early in Alzheimer’s: the brain’s immune cells dismantle key nerve connections between the olfactory bulb and brainstem. Membrane changes in neurons send an “eat-me” signal to microglia, which mistakenly destroy them. Evidence from mice, human tissue, and PET scans confirms this process. These insights could pave the way […]