"Of course, a lot of people would like to hear that it's no problem that they are overweight or obese, " said Walter Willett, professor of medicine at Harvard Medical School and chair of the Harvard School of Public Health's Department of Nutrition.

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It's also got a nice weight to it already, but if that's not enough, that's no problem: there's a trap door in the bottom that opens up.

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"You will have no problem to recognise first of all that it's Africa and you have the face of one of the most popular and well-known faces of the continent, " Blatter told reporters.

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"If it doesn't work at night then we've got a problem, but it's definitely going to last the 50 overs, no doubt about it, " he said.

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No, the problem is the inherent fallibility of social science research and it's inability to quantify intangibles like happiness.

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This is an integrated problem - there's no one thing that's going to solve it.

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That's the biggest problem is this is a clean fuel with no easy way to produce it and distribute it.

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But it's not possible to know if Byetta is the cause of the problem, because there is no control group of similar patients who did not get the drug.

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But if at a certain point it leads -- somebody is making a million dollars a year to pay no taxes at all, that's a problem.

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