But exercise is not the key to losing weight. Although the more muscle you have, the more calories you burn and the easier it is to maintain weight, the compelling reason to exercise is to optimize fitness for the future.I once read an ex-Soviet discussing America. He said that if America were to have an economic collapse similar to Russia’s after the fall of the Soviet Union, Americans would not fare well. Russians were accustomed to foraging for necessities even in good times – normally walking miles a day. In contrast, Americans were so out of shape they would be unable to survive this and would “blow out” their knees. He is probably right. Just sit in a public place and count how many healthy and fit-appearing people pass by – very few. In fact, recently I made a similar observation at a Walmart where I was sipping ice tea and waiting for a friend.Exercise does two very important things. The first, improving your cardiovascular fitness, is what most people associate with exercise.
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