Physically Fit, Mentally Capable

Missouri is not the only place whose people have a "show me" philosophy. It seems that many of us need to see ideas in black and white, then verified by studies and numbers. Recent studies, at both Texas Tech University and the University of Illinois at Urbana-Champaign have shown that physical activity, exercise, promotes mental alertness in adults 55 and over.

This had been proven before in animal studies, but the study done at the U of Illinois investigated actual results of MRI scans (Magnetic Resonance Imaging). The simple fact is this: people 55 and over who were physically fit had more gray and white matter than people of the same ages that were not as fit. The three areas of the brain identified as most benefiting were those of thinking, speech, hearing, emotions, and concentration.

Aerobic exercise is touted as the single best way to obtain the mental benefits of physical activity, and strength training is also mentioned. Thirty minutes or more is thought to have the best benefit, but there is also a caution not to be too aggressive. My caution to you is, talk with your physician, especially if you have been on the inactive side, before you begin a new exercise regimen. Moderation is the key, I believe.

Duke University produced a study that showed exercise promotes positive effects in the frontal and pre-frontal areas of the brain, which control such functions as decision-making, organization, and the ability to multi-task. The speculation is that exercise improves blood flow, which increases the amount of oxygen that flows to these areas.

The results of these studies are encouraging. As we age, we are not to be relegated to second place because of decreased mental capacity. People are choosing to work later in life, from either financial necessity or simple desire to work. Other people are choosing to re-enter the work force after traditional retirement.

The skills and functionings identified in these studies seem to say if we want to work, or take a class, or simply to continue to function at our maximum capacity, we need to continue or begin to make exercise a part of our lives. We can choose to exercise at home, join the local Y, or anyone of many exercise groups. Don't overlook your community center or senior center; many of them have programs specifically geared for older adults, some of which include chair exercises for people who have difficulty standing. I'll make a pact with you--if you will, I will.

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