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Coffee helps memory - confirmed by researchers

A study conducted by American researchers showed the benefits of coffee consumption, especially how it stimulates the visual memory.

The study was conducted on 73 people and the hypotethis of the research made by the group from Johns Hopkins University from Baltimore was that the coffeine, the active substance from coffee, helps at the improvement of memories for at least one day.

At first, volunteers watched various images that contained objects. Further, half of the participants received 200 milligrams of caffeine, which is approximately two cups of coffee, while half of them were given a placebo.

The study continued the next day when volunteers watched another series of images, some entirely new, while some were repeated from the previous day or similar but with differences.

Although both sides managed to differentiate old pictures from the new ones, the group receiving caffeine reacted much better when it came to distinguish those differences between images that resembled the ones from the previous day.

The study showed how caffeine can help the brain to perform a difficult task, called "separation model", the task faced by people when they have to differentiate similar objects or images.

"This substance (caffeine) is associated with healthy longevity and may have protective effects against cognitive decline caused by various diseases such as Alzheimer's disease," said study coordinator, Professor Michael Yassa.