Last week, we told you about staying active after retirement. Today you will find a few clues as to how to achieve this. A recent study conducted by Yonas E. Geda, M.D., MSc of the Mayo Clinic in Arizona shows that the combination of physical exercise and computer use is an excellent way to reduce the risks of cognitive decline. Previous researches had already studied the effect of physical exercise or computer activity alone but it seems that combining both may have a synergistic interaction on brain functions.