CTE and Alzheimer's Disease

There's been speculations that increases in iron can lead to degenerative off neurons via this process called ferrup ptosis. But I don't know, like since the world has industrialized, there probably is a lot more metal around us that we ingest and come into contact with than before. So maybe that could explain why there's more neurodegenerative diseases than previously. Or we just live so long that we start seeing. We're living a lot longer. And then, okay, Tim goes on to talk about one last thing about CTE, which is chronic traumatic traumatic and sephallopathy versus Alzheimer's disease. Top down and bottom up spread of CTE and AD back the