For Years We Searched for Alzheimer’s in the Brain. Now, Researchers Suggest It May Begin Elsewhere: A large-scale genetic study suggests some of the processes driving Alzheimer’s disease may begin in the lungs, gut, and blood, years before reaching the brain.

https://www.theepochtimes.com/health/for-years-we-searched-for-alzheimers-in-the-brain-now-researchers-suggest-it-may-begin-elsewhere-6050552