少吃盐，多长寿 
Hints：
American Heart Association
Michael Bloomberg
National Salt Reduction Initiative
Seattle Children's Research Institute
McDonald
The government says the average American man eats 10 grams of salt a day. The American Heart Association advises no more than 3 grams for healthy people. It says salt in the American diet has increased 50% since the 1970s, while blood pressures have also risen. Less salt can mean a lower blood press…
政府表示，美国人均每天食用10克盐。美国心脏协会建议，对健康人来说，每天食盐不应超过3克。它还提到，二十世纪七十年代以来，美国饮食中盐的分量已经增加了50%，相应地人们血压也上升了。而少食盐意味着血压低。 纽约市市长迈克尔•彭博正在发起一个名叫“全民减少用盐”的倡议，以此给食品公司和饭店施压。但反对者称这是…