Reason for hope?

Testing a Drug That May Stop Alzheimer’s Before It Starts

We can live in hope that this will be beneficial, but, given that Alzheimer's is really only able to be definitely diagnosed post-mortem, will we know for certain? And then how will we know who may possibly develop Alzheimers? Will evenyone take this drug then? And then what about long term effects if it doesn initially turn out to be beneficial? And then... and then... and then...

I think some of the Science Fiction authors who spell doom for our race may be on the correct track. Just my cynical, negative nature speaking out...

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