U.S.Eats Too Much Salt

People in the United States consume more than twice the recommended amount of salt,raising their risk for high blood pressure,heart attacks and strokes,government health experts said on Thursday.

They found nearly 70 percent of U.S.adults are in high-risk groups that would benefit from a lower-salt of no more than 1,500 mg per day,yet most consume closer to 3,500 nig per day.

"It's important to eat people to eat less salt.People who adopt a hearthealthy eating pattern that includes a diet low in sodium and rich in potassium and calcium can improve their blood pressure,"Dr.Darwin labarthe of the Centers for Disease Control and Prevention said in a statement.

"People need to know their recommended daily sodium limit and take action to reduce sodium intake,"Labarthe said.

The study in CDC's report on death and disease used national survey data to show that two out of three adults should be consuming no more than 1,500 mg of sodium per day because they are black or over the age of 40—— which are considered high-risk groups.

Yet studies show most people in the United States eat 3,436 mg of sodium per day,according to a 2005-2006 CDC estimate.

Most of the sodium eaten comes from package,processed and restaurant foods.

The CDC said it will join other agencies in the Health and Human Services department in working with major food manufacturers and chain restaurants to reduce sodium levels in the food supply.

Nationwide,16 million men and women have heart disease and 5.8 million are estimated to have had a stroke.Cutting salt consumption can reduce these risks,the CDC said.

词汇

Sodium n.钠calcium n.钙

Potassium n.钾intake n.纳入量

注释

1.More than twice the recommended amount： 比推荐量的两倍还多

2,They found nearly 70 percent of U.S.adults are in high-risk groups that

would benefit from lower-salt diet of no more than 1,500 mg per day： 他们发现将

近百分之七十的美国成年人属于高危人群,如果他们的日食盐量降至1500 毫克,则会从中受益。

练习：

1.Too much salt raises one's risk for

A.high blood pressure B.heart attacks C.strokes D.all of the above.

2.How much salt do most American adults eat per day？

A.No more than 1,500 mg B.Closer to 3,500 mg.

C.Less than 3,436 mg.D.Closer to 1,500 mg.

3.To improve their blood pressure,people should have a diet

A.rich in potassium and sodium B.rich in potassium and calcium.

C.rich in calcium and sodium D.none of the above.

4.The high-risk groups include those

A.who are black B.who are over the age of 40

C.who are white and young D.both A and B

5.Packaged,processed and restaurant foods are known to be

A.cheap.B.tasty C.rich in salt D.healthy.

答案与题解

1.D 短文的第一段说,吃盐过多会增加罹患高血压,心脏病和中风的危险。

2.B 短文的第二段说,大多数美国成年人的日食盐量接近300 毫克。

3.B 短文的第三段说,采用低钠并富含钾、钙的饮食方式将有利于改善血压。

4.D 短文的第五段说,黑人和年龄超过40 岁的人被视为高危人群。

5.C 短文的倒数第二段说,人们所食用的纳绝大部分来自于包装、加工和饭店食品。

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