Rock Creature
That's me taking a picture of it at Newport Beach R.I. Notice its head on the right, one eye is showing. It appears to have a trunk or some sort of a beak. On the left of the body you can see its big fat tail that curled up as it died. It has a big round body. Its legs are not seen, they're under the body. I call it the Rock Creature because it has the ability to blend in with the many boulders along Newport shores.

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5 Cups of Coffee a Day Keeps Alzheimer Away?

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5 Cups of Coffee a Day
Keeps Alzheimer Away?

In the Journal of Alzheimer's Disease , there is special issue on Caffeine. It’s titled:
Volume 20, Supplement 1, 2010 - "Therapeutic Opportunities for Caffeine in Alzheimer's Disease and Other Neurodegenerative Diseases"
This is a collection of 22 research articles from all over the world.
PDFs of all articles are available from the IOS Press here.
Some studies describe experiments with caffeine only, while other research focused on caffeinated beverages, that not only included coffee and tea but any caffeine based beverage.
Paraphrasing an excerpt from Pages 3-15 of the PDF version:
Caffeine affects brain functions such as sleep, cognition, learning, and memory, and modifies brain dysfunctions and diseases: Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, Epilepsy, Pain/Migraine, Depression, and Schizophrenia.
Other articles propose that for midlife and older people, 3-5 cups of coffee a day will prevent or postpone the onset of dementia/AD.
Before you get too excited and run over to your coffee pot, here’s what I gathered from Pages 17-24 and other articles:
On the average, our caffeine consumption is equivalent to 3 cups of coffee a day. That’s supposed to be a relatively safe amount of caffeine to consume. But 6 or more cups of coffee per day may be harmful to us in various ways, depending on the individual. You may suffer from increased anxiety, increased blood pressure, headache, and confusion.
I’m sure you’ve already read about the pros and cons of coffee. There is no end of these reports on the Internet.  What’s different about these articles is that they’re the original source for a lot of the information you may have read about.
It sure sounds like Caffeine is some miracle drug, doesn’t it?  However lots of these pronouncements of the great benefits of caffeine or coffee are preceded with words like “suggest”, “may” and “possible”.
In addition, most of the scientists conclude that the results of their research only suggest “therapeutic opportunities” of caffeine. That due to the wide affect of caffeine on the brain chemistry, more studies need to be done.
I do believe that the calls for more studies are not just for the benefit for future grant applications. The Concluding Remarks here proposes some of the direction for future research.
So for now, you have to decide for yourself as to how much, if any, coffee you should be drinking and whether it’s a benefit to you or if it’s not.
5+ cup a day Ray