At any age group, we will see a diversity of opinions on physical fitness and exercise and those opinions should be respected.

不同年龄段的人，对于健康和锻炼都有着不同的观而且这些观点应该受到尊重。

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"Exercise by itself is a very tough way to lose weight," says York Onnen, program director of the President's Council on Physical Fitness and Sports.

“运动本身是一种非常困难的减肥方式。”总统健身运动委员会的项目主任 York Onnen 说。

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Physical exercise is a somewhat grayer area than sleep when it comes to memory, but there seems to be a reasonable body of evidence suggesting that physical fitness and cognitive fitness are linked.

就记忆而言，相较于睡眠，体育锻炼是个灰色地带，但似乎有大量的有力的证据证明匀称的体态和良好的认识能力是有联系的。

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It tests physical fitness, and it gives a baseline for designing an exercise program.

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The Dakaroise (residents of Dakar) consider physical fitness of great importance, and over the decades an exercise culture has developed deep roots in the city.

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Consumers who want to improve their health and get in shape can join health clubs, hire personal trainers, purchase physical fitness equipment, rent exercise DVDs, participate in organized activities such as adult volleyball, or run, swim and bicycle on their own.

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