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A diet based on healthy carbohydrates-rather than a low-fat or low-carbohydrate diet-offers the best chance of keeping weight off without bringing unwanted side effects, a study published Tuesday in the Journal of the American Medical Association suggests. 《美国医学学会杂志》（Journal of the American Medical Association）6月26日刊登的一项研究报告指出，以健康碳水化合物为主的饮食──而非低脂或低碳水化合物饮食──能达到最佳的减肥效果，并且不会带来副作用。 Study participants following a low-glycemic-index diet, which is similar to a Mediterranean diet and focuses on fish, fruit, vegetables, nuts and whole grains, also saw improved cholesterol levels and other important markers that lower the risks of developing heart disease and diabetes. Such a diet might include minimally processed oatmeal, almonds, brown rice, beans and healthy fats like olive oil, among other foods. 研究发现，遵循低血糖指数饮食方案的研究对象的胆固醇水平及其他几项降低罹患心脏病和糖尿病风险的重要指标也有所改善。低血糖指数饮食与地中海式饮食相似，主要食用鱼类、水果、蔬菜、坚果和全谷物食品。该种饮食也可包括轻微加工过的燕麦片、杏仁、糙米、豆类和以橄榄油为代表的健康油脂等食物。 The study was led by researchers at the New Balance Foundation Obesity Prevention Center at Boston Children's Hospital and funded by the National Institutes of Health and the New Balance Foundation, which is affiliated with the athletic-shoe maker. It was designed to assess how each of three common diets affects the ability to keep weight off. Participants had all of their food prepared for them, and their food intake was monitored. They ate many meals at the hospital, picking up others to eat at home. | 
