It also suggests that it was a simple and very cheap one-a-day vitamin, not oranges, that lowered their risk. Not that I have anything against oranges. I just like headlines that go with the content of articles.
Never mind my nit-picking. This is an important finding. Let's share it with our friends and relatives. And doctors.
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[the primary message should be that overall healthy diets seem to have an impact on limiting Alzheimer's disease risk...]
For those of us who don't want to go through the hassle of maintaining a healthy diet our whole lives, I recommend planning to not live past the age of 75.
:^)
We don't really need to share it. The U.S. government started requiring the addition of folic acid to a wide range of foods a few years ago, due to the fact that folic acid deficiency has long been known to be the primary cause of neural tube defects such as spina bifida and anencephaly. The result is that even a pure junk food diet will result in sufficient folic acid intake. The Alzheimer's rate is likely to plummet even if nobody gets the message about the connection. Once in a while, the nanny-state actually does a good thing.