Alzheimer’s disease might be delayed by drinking Caffeinated Coffee

credit: National Cancer Institute Renee Comet (Photographer) - PD

(Best Syndication News) - In a recent study, elderly adults who had higher blood caffeine levels avoided progressing into Alzheimer’s disease. The researchers said that most of the people drank coffee as their primary source of caffeine intake. The study was published in the June 5 online version of the Journal of Alzheimer’s Disease.

In the study that came from researchers at the University of South Florida, 124 residents of Tampa or Miami between 65 and 88 were studied for their memory function and caffeine intake. All the participants had mild cognitive impairment (MCI) at the beginning of the study because the researchers wanted to see if their mental condition would worsen or be protected from caffeine intake. The researchers point out that around 15 percent of people with MCI will develop Alzheimer’s disease every year.

The researchers wanted to see if caffeine intake would slow the progression into full-blown Alzheimer’s disease. Earlier research, by the same authors, demonstrated the caffeine’s protective benefits of memory with mice.

At the beginning of the study, the participants’ blood caffeine levels were measured. They found that the participants that had 51 percent less caffeine than other participants had progressed to dementia at the two-to-four year follow-up compared to those participants that remained stable with MCI. Those participants that had blood caffeine levels over 1200 ng/ml, which equates to drinking several cups of coffee in a couple of hours, did not progress to dementia and remained stable with MCI. However, those that had developed Alzheimer’s disease had blood caffeine levels under the 1200 ng/ml.

"Moderate daily consumption of caffeinated coffee appears to be the best dietary option for long-term protection against Alzheimer's memory loss," study co-author, Dr. Arendash, said. "Coffee is inexpensive, readily available, easily gets into the brain, and has few side-effects for most of us. Moreover, our studies show that caffeine and coffee appear to directly attack the Alzheimer's disease process."

"We are not saying that moderate coffee consumption will completely protect people from Alzheimer's disease," study co-author, Dr. Cao, warned. "However, we firmly believe that moderate coffee consumption can appreciably reduce your risk of Alzheimer's or delay its onset."

By: Marsha Quinn
Health Reporter

ref: http://health.usf.edu/nocms/publicaffairs/now/pdfs/JAD111781.pdf, 2

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