美国饮食指导准则咨询委员会近期发表了五年一次的报告,推出了美国最新饮食指导准则。报告显示,与50年前相比,美国人摄取的脂肪减少了25%,但碳水化合物的摄取增加超过30%。研究表明,以精制加工碳水化合物取代脂肪,反而会危害心脏健康,也更可能患糖尿病和导致肥胖。新准则因此改而鼓励人们多留意所摄取的是哪类脂肪,而不是多少脂 The American Dietetic Guidelines Advisory Committee recently published a five-yearly report that introduced the latest diet guidelines in the United States. The report shows that Americans reduced their fat intake by 25% compared to 50 years ago, but their carbs intake increased by more than 30%. Studies have shown that the replacement of fat with refined carbohydrates, on the contrary will endanger heart health, but also more likely to have diabetes and lead to obesity. Instead, the new guidelines encourage people to pay more attention to what types of fat they consume instead of how much