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Public-health officials are trying hard, as they do with any other problem, to prevent the spread of obesity throughout the world. |
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Public-health officials are finding it very hard to prevent obesity throughout the world, which is very serious like any other problem that concerns them. |
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Obesity is so common throughout the world that its prevention is a very difficult problem for health-officials, who are already dealing with other problems. |
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For public-health officials, the prevention of obesity, which is widespread throughout the world, is an extremely difficult problem like any other they are currently concerned with. |
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It is not so challenging a task for public-health officials, who are already dealing with many serious problems, to prevent obesity in the world. |