Researchers found that of the “least-fit” versus the “slightly more fit” of the nearly 4,400 healthy Americans in their recent study, roughly 20 percent with the lowest physical fitness levels doubled the risk of dying over the next nine years as the 20 percent with the next-lowest fitness levels. (That is to say, those 20 percent who were nearly at the lowest fitness levels.) This is the familiar “bad news/good news” situation. It is obviously bad news if you are a resolute spectator in life. But, it is definitely good news for those who haven’t quite hit rock bottom in the sedentary lifestyle department but are not, by any stretch of the imagination, “exertive.” Apparently, those men and women who stay only moderately fit as they grow older may live longer than those who are totally out-of-shape, the study suggests.

The study included 4,384 middle-aged and senior men and women whose fitness levels were assessed during exercise treadmill tests sometime between 1986 and 2006. For nearly nine years thereafter, the researchers followed the study groups progress. Such factors as obesity, diabetes, and high blood pressure were considered in the study. This, in and of itself, highlights the value of physical fitness itself. In an email to Reuters Health, Dr. Sandra Mandic, of the University of Otago in Dunedin, New Zealand, and lead researcher of the study wrote: “Our findings suggest that a sedentary lifestyle, rather than differences in cardiovascular risk factors or age, may explain the two-fold higher mortality rates in the least-fit versus slightly more fit individuals.”

Nearly two-thirds of the participants at the least-fit level failed to get at least 30 minutes of moderate activity, five or more days a week, which was the minimum recommended amount of exercise. “These results emphasize the importance of improving and maintaining high fitness levels by engaging in regular physical activity,” Mandic said, “particularly in poorly-fit individuals.”

Classifying the study group participants by fitness levels, the researchers discovered that 25 percent of the least-fit individuals had died during the study period, versus 13 percent of those who were slightly more in shape. Only 6 percent of the most-fit group (i.e., the ones who “hit the bull’s eye,” so to speak) had died during the follow-up period.

The five fitness-level groups presented little difference, overall, in their reported exercise practices during most of their adult lives, but conspicuously, they varied in activity levels only in recent years. “Since it is recent physical activity that offers protection,” Mandic said, “it is important to maintain regular physical activity throughout life.”

Since fitness is linked to longevity (and, in this research result, despite weight and health issues like high blood pressure and high cholesterol), And, perhaps it goes without saying, imagine the health benefits we could all derive if we worked towards the higher levels of fitness.

SOURCE: Medicine and Science in Sports and Exercise, August 2009.

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As our age-related risks of chronic disease increase, regular physical activity can actually slow down the trend. In addition, research has shown that people who have already developed coronary artery disease, osteoarthritis, high blood pressure, chronic obstructive pulmonary disease (COPD), Type 2 diabetes, and other age-related chronic diseases can benefit substantially by increasing their physical activity and, therefore, often can manage their chronic illness with fewer medicines.

Furthermore, some studies suggest that the cardiovascular benefits an individual gets from physical activity may also help the brain stay healthy. “Physical activity influences the frontal region of the brain,” says Dr. Bradley Hatfield, professor of Sports Psychology at the University of Maryland, College Park. So, if you’ve been wondering what the best thing is that you can do to keep your brain young, the answer may be for you to take a long walk. A key factor is that exercise thickens the brain tissue and builds more synapses in the brain. The brain has 10 billion nerve cells, called neurons, and on average, neurons are connected to each other through 10,000 synapses. Every time we exercise, more synapses form and the active brain gets stronger.

On a regular basis, being physically active increases the quality of life (period). Some of the benefits include improved energy levels, mental sharpness, balance, strength, flexibility, and weight control. Moreover, regular aerobic exericise has been shown to help in the management of depression, anxiety, and stress.

So, even though the facts point conclusively to the validity of the “move it or lose it!” warning, they also confirm that it is never to late for you to “move it” and regain your health!

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Any movement is a step towards better health and physical fitness. Walk a lap (or two) around your house or apartment. Put that TV remote away and get up to change the channels. As your body becomes accustomed to moving again, you will probably discover that you actually want to move more. Then you can slowly add additional movement to your daily routine. Increase the walk around your house to a walk around the block, a walk in the park, or even a walk through the shopping mall. Walking with a friend can often help to keep you on track(especially on those days when you’d rather sit and veg, then get your body moving). If you are physically able, take the stairs instead of using the elevator as often as you can. Park farther away from the entrance to the supermarket and make it a goal to put more and more parking spots between you and the entrance.

After a few weeks of regular physical activity, you will begin to feel the healthful benefits of movement. Then you’ll be ready for new ways to build flexibility, fitness, and muscle strength. Your chiropractor can advise you on how to become more physically active and help you to development an individualized program.

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