Obesity has become a serious hazard to human health, scientific diet will become an important world issue of common concern.

肥胖已成为危害人类健康的严重问题。 科学减肥也就成为全世界共同关注的重要课题。

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To probe into the effects of various kinds of fruit on salivary amylase by using the method of cluster analysis, providing reference for scientific diet in view of nutrition.

目的：通过探讨不同水果对唾液淀粉酶活性的影响，从营养学角度，为科学饮食提供参考。

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Further research still needs to be done to provide actual scientific evidence that will prove a direct connection between your diet and acne.

现仍需要能提供实际的科学证据的更深入研究来证明你的饮食与痤疮之间的直接联系。

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Diet, he says, is a scientific word that quite literally means what food you put into your body each day.

FORBES: Weighing In On Worst Words On Diet, Exercise And Body Image

The reason that the diet has been the target of consistent abuse from the scientific establishment is that its rules contradict the central pillars of received nutritional wisdom.

ECONOMIST: Nutrition