"We knew that sedentary behaviours could impact weight, but this is the first time we're showing that sedentary behaviours are starting to impact blood pressure," she said.

“我们都知道不爱运动将增加体重，但是这是第一次我们发现不爱运动还能导致高血压。”她接着说。

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To see if chocolate really does have a positive impact on weight, Dr. Golomb says, a study specifically designed to compare chocolate eaters to non-chocolate eaters needs to be conducted.

WSJ: A Chocolate a Day to Get Slimmer?

"Our findings appear to add to a body of information suggesting that the composition of calories, not just the number of them, matters for determining their ultimate impact on weight, " says Dr. Golomb.

WSJ: A Chocolate a Day to Get Slimmer?

The singer said she was working all hours in preparation for the forthcoming Spice Girls tour and was worried about the impact reports about her weight might have on fans.

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