Rather than studying weight loss in overweight or obese individuals, scientists looked at how certain activities and diet affected weight gain over several years.

过去几年中科学家研究了某些活动和饮食对体重增加的影响，没有研究超重或肥胖者减肥的个案。

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But candy and other sugary foods contribute plenty of calories, which can lead to weight gain, and being overweight greatly increases the risk of type 2 diabetes.

但糖和其他含糖类食品富含热量，它们会增加你的体重，而过度肥胖则大大增加了罹患2型糖尿病的风险。

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If you're overweight before you conceive, you might need to gain less weight.

如果在怀孕前你有些超重，那么你需要减肥了。

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The researchers, led by Helen Hunt of the University of Greenwich, say there may be some genetic reason why women with overweight mothers gain weight, but it may also be due to inherited lifestyles.

BBC: Weight gain after birth could be inherited