This may improve the attention span and working memory for a human scientists believe after the study. This study found that the caffeine is a nervous system stimulant and can work better with sugar, more effective than they work separately on brain. Participants in the study were low caffeine consuming people to make it more effective.
The results of this extensive study have been published in the journal, Human Psychopharmacology: Clinical and Experimental, in its latest addition. Researchers revealed that the combination of sugar plus coffee worked better than they worked separately on brain, it should be understood that glucose a type of sugar plays very important role of providing energy to the brain cells to function properly.
Brain scans of 40 volunteers were used to arrive at this findings by the scientists and researchers. Researchers also found that taken one or two cups of caffeine daily is good but if taken in larger quantities it may develop a kind of tolerance for caffeine and may reduce good effects of active memory boost drastically.