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According to a study conducted by the University of Munster in Germany, reducing calorie intake by as little as one-third may work to help you remember more.

Researchers took 50 volunteers whose average age was 60, and separated them into three groups. One group ate a regular diet containing the normal number of calories. Another group was provided with a similar diet with more unsaturated fatty acids added. Unsaturated fatty acids include fats such as olive and fish oils. Finally, the third group ate a calorie-restricted diet with calories reduced by about 30%.

At the end of three months, all of the participants had their memories tested. Researchers found that the first two groups showed no change in their memory scores while the calorie-restricted group showed a marked improvement in their scores. The third group experienced a few other helpful physical improvements such as a reduced level of insulin production and a lower rate of inflammation. Researchers are exploring the possibility that fewer calories and better nutrition may help maintain healthy brain cells.

The study reported in the January 26, 2009 issue of Proceedings of the National Academy of Sciences journal explains the results of this study may contribute to new prevention and treatment strategies for assisting the elderly in preserving their memories and preserving cognitive functioning. Researchers advise caution, however, since reducing your caloric intake could also result in a lack of vitamins, minerals and other vital nutrients. Those already underweight are highly advised to avoid a low calorie diet before further study is completed.