John Hamilton

People with Down syndrome are sought after for Alzheimer's research studies because many develop it in their 40s and 50s. Most will get it if they live long enough. (Aired on ATC on July 7, 2022.)

Faulty forms of the brain protein tau trigger tangles inside and outside brain cells of Alzheimer's patients. Scientists say figuring out how to stop bad tau's spread from cell to cell might be key.