Is It Better to Prevent or to Treat Alzheimer's Disease?

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I think the line between prevention and treatment is a pretty blurry. So, for example, if you knew that somebody was likely to develop Alzheimer's disease but had not yet started to show any symptoms, and you could go in and prevent them from developing the disease, you would call that prevention, but in actual fact, they probably already started the process by which the disease will eventually emerge, and so you're actually treating the disease in its earliest phase.

The two lines become pretty much indistinguishable like you're talking about early stage Alzheimer's patients, and a lot of the targets and a lot of the therapeutic approaches are going to be very similar in either case.