VOA慢速英语 2007 0411a

This is the VOA Special English Health Report.

A listener has written from China for advice about how to lose weight. Michael 
 
in Shanghai says he is twenty-six years old and has battled obesity¹ for most of his life.

Doctors say obesity, also known as severe overweight, is a complex condition. A doctor may advise medical interventions² in addition to changes in behavior. But experts say the most successful weight-loss plans include a well-balanced diet and exercise.

People who want to avoid weight gain have to balance the number of calories they eat with the number of calories they use. To lose weight, you can reduce the number of calories you take in, or increase the number you use, or both.

Experts at the National Institutes of Health say to lose weight, a person should do an hour of moderate³ to intensive⁴ physical activity most days of the week. This could include fast walking, sports or strength training.

You should also follow a nutritious⁵ eating plan and take in fewer calories than your body uses each day.

A recent study looked at four of the most popular dieting plans in the United States. Researchers at Stanford University in California studied more than three hundred overweight women, mostly in their thirties and forties.

Each woman went on one of the four plans: Atkins, The Zone, Ornish or LEARN. The women attended diet classes and received written information about the food plans.

At the end of a year, the women on the Atkins diet had lost the most, more than four and one-half kilograms on average. They also did better on tests including cholesterol⁶ levels and blood pressure. 

Christopher Gardner led the study, reported in the Journal⁷ of the American Medical Association⁸. He says the Atkins diet may be more successful because of its simple message to lower intake⁹ of sugars. Also, he says the advice to increase protein in the diet leads to more satisfying meals.

He says there was not enough money to also study men, but that men would probably have similar results.

But last week, another report suggested that only a small minority of people have long-term success with dieting. The report in the journal American Psychologist was based on thirty-one studies.

Researchers at the University of California, Los Angeles, medical school found that most dieters regained¹⁰ their lost weight within five years. And often they gained back even more. But those who kept the weight off generally were the ones who exercised.

And that's the VOA Special English Health Report, written by Caty Weaver¹¹. I’m Katherine Cole.

1 obesity   

n.肥胖，肥大

参考例句：

• One effect of overeating may be obesity.吃得过多能导致肥胖。
• Sugar and fat can more easily lead to obesity than some other foods.糖和脂肪比其他食物更容易导致肥胖。

2 interventions   

n.介入，干涉，干预( intervention的名词复数 )

参考例句：

• Economic analysis of government interventions deserves detailed discussion. 政府对经济的干预应该给予充分的论述。 来自辞典例句
• The judge's frequent interventions made a mockery of justice. 法官的屡屡干预是对正义的践踏。 来自互联网

3 moderate   

adj.适度的，稳健的，温和的，中等的；v.节制，使...稳定，使...缓和；n.稳健的人

参考例句：

• You should moderate your language when children are present.在孩子面前，你说话应该有节制。
• The wind is moderate today.今天的风很柔和。

4 intensive   

adj.加强的，密集的；精工细作的，集约的

参考例句：

• I'll make an intensive study of a subject.我将集中学一门课程。
• There we received several weeks of intensive training.在那里我们受了几星期的集中训练.

5 nutritious   

adj.有营养的，营养价值高的

参考例句：

• Fresh vegetables are very nutritious.新鲜蔬菜富于营养。
• Hummingbirds have discovered that nectar and pollen are very nutritious.蜂鸟发现花蜜和花粉是很有营养的。

6 cholesterol   

n.（U）胆固醇

参考例句：

• There is cholesterol in the cell of body.人体细胞里有胆固醇。
• They are determining the serum-protein and cholesterol levels.他们正在测定血清蛋白和胆固醇的浓度。

7 journal   

n.日志，日记；议事录；日记帐；杂志，定期刊物

参考例句：

• He kept a journal during his visit to Japan.他在访问日本期间坚持记日记。
• He got a job as editor of a trade journal.他找到了一份当商业杂志编辑的工作。

8 association   

n.联盟，协会，社团；交往，联合；联想

参考例句：

• Our long association with your company has brought great benefits.我方和贵公司的长期合作带来了巨大的利益。
• I broke away from the association ten years ago.我10年前就脱离了那个团体。

9 intake   

n.吸入，纳入；进气口，入口

参考例句：

• Reduce your salt intake.减少盐的摄入量。
• There was a horrified intake of breath from every child.所有的孩子都害怕地倒抽了一口凉气。

10 regained   

复得( regain的过去式和过去分词 )； 赢回； 重回； 复至某地

参考例句：

• The majority of the people in the world have regained their liberty. 世界上大多数人已重获自由。
• She hesitated briefly but quickly regained her poise. 她犹豫片刻，但很快恢复了镇静。

11 weaver   

n.织布工；编织者

参考例句：

• She was a fast weaver and the cloth was very good.她织布织得很快，而且布的质量很好。
• The eager weaver did not notice my confusion.热心的纺织工人没有注意到我的狼狈相。