When you realize that pretty much <i>every</i> disease and condition has similar papers written about it, you start to realize that the way we do medical research is pretty messed up.<p>Keep in mind that they still haven&#x27;t really decided whether salt is bad for you or not, or what the real effects of dietary cholesterol are.  Widespread conditions that should be much easier to research and understand than Alzheimer&#x27;s are still very controversial.