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2012-06-11

Coffee Can Help Prevent Alzheimer's Disease

I should invest in Starbucks, Second Cup, Kicking Horse, Merchants of Green Coffee, or others...here's another study on the health benefits of coffee. The researchers of this new study monitored the cognitive status of 124 volunteers between 65-88 years of age, who displayed mild cognitive impairment, an early sign of Alzheimer's disease. Most participants were expected to develop Alzheimer’s within a few years.

However, patients with a blood caffeine level above 1,200 ng/ml did not develop the disease over the 2-4 year study period. For these individuals, the main (or only) source of caffeine was coffee.

The study's lead author said “These intriguing results suggest that older adults with mild memory impairment who drink moderate levels of coffee -- about 3 cups a day -- will not convert to Alzheimer's disease -- or at least will experience a substantial delay before converting to Alzheimer's."

"The results from this study, along with our earlier studies in Alzheimer's mice, are very consistent in indicating that moderate daily caffeine/coffee intake throughout adulthood should appreciably protect against Alzheimer's disease later in life," he continued.

However, one thing I'll say to add to this discussion is that it's premature to attribute the benefits to caffeine. A similar study I covered last year (click HERE to read, it's the second study I discuss in the post) suggested it was some unknown substance found in coffee. Interestingly, the results suggested this unknown substance may require the presence of caffeine to realize the full benefits, a synergistic action boosting the health benefits of both.

Source: High Blood Caffeine Levels in MCI Linked to Lack of Progression to Dementia

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Other posts on coffee studies:

1 comment:

  1. So, it's been on my mind for some time to look into what makes a "cup" of coffee. Simply because some studies suggest the benefits from coffee start at about 4-5 cups daily. This one suggested at least three cups daily. That's a lot of coffee!

    So to make a long story short, a cup of coffee isn't the standard 250 mL size, it's 180 mL -- or so it seems (add to this if you have any other insight into this).

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