The US government issued 2015 dietary guidelines. Key recommendations for healthy eating patterns should be applied in their entirety, given the interconnected relationship that each dietary component can have with others. Consume a healthy eating pattern that accounts for all foods and beverages within an appropriate calorie level. A healthy eating pattern includes: A variety of vegetables from all of the subgroups—dark green, red and orange, legumes (beans and peas), starchy, and other; fruits, especially whole fruits; grains, at least half of which are whole grains; fat-free or low-fat dairy, including milk, yogurt, cheese, and/or fortified soy beverages; a variety of protein foods, including seafood, lean meats and poultry, eggs, legumes (beans and peas), and nuts, seeds, and soy products; oils. A healthy eating pattern limits: Saturated fats and trans fats, added sugars, and sodium. Key recommendations that are quantitative are provided for several components of the diet that should be limited. These components are of particular public health concern in the US, and the specified limits can help individuals achieve healthy eating patterns within calorie limits: Consume less than 10 percent of calories per day from added sugars; consume less than 10 percent of calories per day from saturated fats; consume less than 2,300 milligrams (mg) per day of sodium; if alcohol is consumed, it should be consumed in moderation—up to one drink per day for women and up to two drinks per day for men—and only by adults of legal drinking age. In tandem with the recommendations above, Americans of all ages—children, adolescents, adults, and older adults—should meet the Physical Activity Guidelines for Americans to help promote health and reduce the risk of chronic disease. Americans should aim to achieve and maintain a healthy body weight. The relationship between diet and physical activity contributes to calorie balance and managing body weight. As such, the dietary guidelines includes a key recommendation to meet the physical activity guidelines for americans. Source: http://health.gov/dietaryguidelines/2015/guidelines/
美国政府颁布2015年膳食指南。对于健康饮食模式的主要建议应在整体上得到应用，因为每个膳食成分可与其它因素相互影响。健康的饮食模式包括适当热量水平的所有食品和饮料。健康的饮食模式包括：各种种类蔬菜，深绿色，红色和橙色，豆类（蚕豆，豌豆），淀粉，等；水果，尤其是整个的水果；谷物，其中至少一半是粗粮；无脂或低脂奶制品，包括牛奶，酸奶，奶酪，和/或强化豆奶饮料；各种蛋白食物，包括海鲜，瘦肉和家禽，蛋类，豆类（蚕豆，豌豆），坚果，种子和豆制品；油类。健康的饮食模式应限制：饱和脂肪和反式脂肪，添加糖和钠。对几个应该限制的饮食成分提供了几个量化的关键性建议。这些成分是美国特有的公共健康问题，而规定的限额可以帮助个人实现一定卡路里范围内的健康饮食模式：每天来自添加糖的卡路里低于10％；每天来自饱和脂肪的卡路里少于10％；每天摄入少于2300毫克钠；如果饮酒，应适可而止，女性每天最多一杯和男性每天最多两杯，且只能由法定饮酒年龄以上的成年人消费。为配合上述建议，各年龄段的美国人，儿童，青少年，成年人和年长的成年人，应该达到美国人身体活动标准，以帮助促进健康和减少慢性疾病的风险。美国人应该决心达到和保持健康的体重。饮食和身体活动之间的关系有助于热量平衡和控制体重。所以，该饮食指南包括对达到美国人身体活动标准的关键建议。来源：http://health.gov/dietaryguidelines/2015/guidelines/
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