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Research: can coffee consumption lower the risk of dementia in women?


Caffeinated drinks seem to reduce the likelihood of dementia
In recent years, people have heard about the positive health effects of coffee. Researchers have now found that consuming the caffeinated drink may be associated with a lower risk of dementia in older women.

A team of scientists found in an investigation that coffee consumption in older women could decrease the likelihood of dementia. The doctors published the results of their study in the journal "Journals of Gerontology".

Older women should consume about 261 milligrams of caffeine a day
The new study examined almost 6,500 women aged 65 to 80 years. These participants were medically monitored over a period of ten years. The women were divided into two groups. One group received about 261 milligrams of caffeine a day, the other group consumed an average of about 64 milligrams of caffeine. If the participants consumed about 261 milligrams of caffeine a day, this reduced their risk of dementia by up to 36 percent, the doctors say. The amount of caffeine corresponds to about three cups of coffee with 95 mg of caffeine a day.

Study does not clarify the cause-and-effect relationship between caffeine and dementia
However, the results of the new study are not sufficient to determine a definitive relationship between the cause and effect of caffeine consumption and dementia prevention, the authors of the study explain. For example, the results could have been influenced by the fact that the participants had to document the consumption data themselves.

Further research on this topic is urgently needed
"While we cannot explain the direct link between higher caffeine consumption and a lower incidence of cognitive impairment and dementia," said the author Dr. Ira Driscoll of the University of Wisconsin in an interview with the Sentinel journal from Milwaukee. But further studies could quantify the effects on cognitive health, Driscoll explains.

Other studies also show the positive health effects of coffee
There have been a number of other studies that indicate the positive health effects of coffee consumption. These included, for example, the lower risk of cardiovascular diseases, the scientists say. Other analyzes had also identified a possible link between drinks such as tea and coffee and protection against cognitive disorders. Nevertheless, the scientists cannot yet say with certainty why this effect occurs. (as)

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