Food security is defined as the point when all people at all times have both physical and economic access to sufficient food to meet their dietary needs for a productive and healthy life.

食物安全被定义为：在任何时刻，所有人在物质上和经济上都有能力获得足够的食物来满足他们的饮食需要，达到有生产能力的、健康的生活标准。

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Dietary fiber has some prominent healthy function as seventh nutriment, and more and more nutritionists, epidemiologist and food scientist focus on it.

膳食纤维作为第七大营养素具有突出的保健功能，也逐渐成为营养学家、流行病学家及食品科学家等关注的热点。

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To improve access to healthy, affordable foods, local elected officials commit to implementing healthy and sustainable food service guidelines that are aligned with the Dietary Guidelines for Americans in all municipal and county venues that serve food.

WHITEHOUSE: The White House

There are patients at Rotherham who are being treated for all sorts of poor dietary-related conditions and the hospital should be offering food which is the role model of healthy eating.

BBC: Burger chain at hospital closes

The current Dietary Reference Intakes (DRIs) developed by the Institute of Medicine's Food and Nutrition Board for healthy Americans is available in Table 2 here.

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