首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Cholesterol (胆因醇) and Heart Disease Do you know your cholesterol level? Many people don’ t. A high level of cholesterol in t
Cholesterol (胆因醇) and Heart Disease Do you know your cholesterol level? Many people don’ t. A high level of cholesterol in t
admin
2013-06-17
29
问题
Cholesterol (胆因醇) and Heart Disease
Do you know your cholesterol level? Many people don’ t. A high level of cholesterol in the blood is an important risk factor for heart disease.
Some people say that the danger of heart disease is exaggerated. However, heart disease is a main cause of death in developed countries. Every year more than one million Americans have heart attacks, and half of them die. People with heart disease suffer chest pains that make simple activities, such as walking, shaving or taking a shower, difficult.
Research has proven that cholesterol levels are connected with heart disease. One project in Massachusetts has studied the same group of men and women since 1948. The researchers have found that the people who have high levels of cholesterol have more heart attacks.
A natural substance in the blood cholesterol comes from the liver. The amount of cholesterol is affected by diet and by physical qualities we inherit from out parents. One kind of cholesterol sticks fat to the walls of arteries (动脉), making them smaller and finally blocking them. It produces a condition called "hardening of the arteries’ which causes heart attacks. With tiny cameras doctors can see blood circulating through the heart valves (瓣膜). Angiograms (血管造影) are x-rays of the heart arteries. They show fat deposits and blockages caused by high cholesterol.
Heart disease begins in children as young as 3 years old. It occurs earlier in boys than in girls. Nearly half of teenagers have some fat deposits on their artery walls. Heart disease develops faster if we have high cholesterol levels and also smoke. What is a safe level of cholesterol? Adults have a high risk of heart attack ff their cholesterol level is about 240 milligrams per deciliter of blood. Below 200 is better. In the Massachusetts study, no one with a cholesterol level below 150 has ever had a heart attack. However, about half of American adults have cholesterol levels above 200.
To lower our cholesterol. level, we must change our eating habits. Anything that comes from an animal is high in fat and high in cholesterol. The American Heart Association National Cholesterol Education Program says that fat should be no more than 30 percent of our diet. Blood cholesterol levels start to fall after 2 to 3 weeks of following a low-cholesterol, low-fat diet. Dietary changes alone can result in a l0 percent reduction of the average person’ s cholesterol level. Aerobic exercise helps, too. Artery blockage can be reduced by as much as 40 percent through changes in diet and amount of exercise.
We must educate everyone, including children in elementary schools. We must teach responsibility for their health through classes in nutrition and aerobic exercise. For example, the smart snack is fruit. Children must be served fruit in the school cafeteria, along with low-fat meals. Schools must send recipes (食谱) home with the children. Parents must include children in planning and preparing meals and shopping for food.
Adults, including persons over the age of 65, can lower their cholesterol by 30 to 40 per cent. It is never too late to change. One man began his health program when he was seventy three. By the time he was seventy-seven, he had lowered his arterial blockage from 50 percent to 13 percent and his cholesterol from 320 to 145 without drugs. He went on a vegetarian diet with only 10 percent fat, plus programs to reduce stress and get more exercise.
A low-cholesterol diet that cuts out most animal products and high-fat vegetables may be unfamiliar to people. The Heart Association says that people should use no added fat of any kind. Don’ t fry food in oil. Cook it in water, vinegar, or vegetable water. Learn about grains and vegetables. Avoid egg yolks (the yellow part of the egg). Eat tomatoes, beans, low-fat vegetables, and fruit. People often complain about low-fat diets before they have had time to get used to them. Food can taste good without cream, butter, and salt. You can use olive oil, mustard (芥末), fresh herbs, or yogurt (酸奶酪) instead.
A new diet can cause general anxiety, when people feel worried and nervous about what is going to happen. They must learn to deal with the changes in their lives. Sometimes major changes in diet or lifestyle are easier than’ minor ones because the results are bigger and faster. Fast results encourage us.
How can you control the amount of fat in your diet if you eat in restaurants? Restaurants must provide healthy meals that are low in fat, salt, and cholesterol. A diet is a personal thing. Restaurant owners should not make customers feel embarrassed because they want to follow a diet that is good for them. Restaurant owners must learn to give equal service to customers on a healthy diet. Some restaurants have items on the menu marked with a heart to show that they are low in fat, cholesterol, salt, or sugar. A few restaurants serve only these recipes.
Heart disease causes one out of every four deaths in East Harlem in New York City. The East Harlem Healthy Heart Program is an educational one. It has 2 goals: to get people to change their diets and to find volunteers to help run educational activities. One way it educates is by street shows. Actors wear costumes and carry big pieces of plastic fat. They entertain so people will listen. Groups of children perform songs and dances that educate people about heart disease and diet. Volunteers lead walking and exercise groups to show people how to begin exercising.
Volunteers also stand in supermarkets to suggest healthy food choices to shoppers. The volunteers have shoppers taste two kinds of milk to see which tastes better. Most people are surprised that the low-fat milk tastes better than the whole milk. Shoppers are encouraged to buy low-fat milk instead of whole milk.
Education costs money, but it also brings results. In 1983, only 35 percent of the American public knew their cholesterol levels. By 1990, 65 percent of the people had had theirs checked.
People feel better if they lower their cholesterol through diet. Healthy people are more confident. They are more attractive to themselves, as well as to others. Their friends stare at them because they look so healthy.
We can prevent heart disease by living a healthful lifestyle and eating the right kind of diet. If people don’ t do this, two out of three men and women in America will eventually get heart disease.
The Massachusetts study showed that no one with a cholesterol level below 150 had ever had a heart attack.
选项
A、Y
B、N
C、NG
答案
A
解析
这是Massachusetts的研究结果的表述,可定位于第六段。根据第六段第四句In the Massachusetts study,no one with a cholesterol level below 150 has ever had a heart attack. 可判断本题为[Y]。
转载请注明原文地址:https://jikaoti.com/ti/FmoFFFFM
0
大学英语四级
相关试题推荐
Asksomeonewhattheyhavedonetohelptheenvironmentrecentlyandtheywillalmostcertainlymentionrecycling.Recyclingin
Asksomeonewhattheyhavedonetohelptheenvironmentrecentlyandtheywillalmostcertainlymentionrecycling.Recyclingin
It’seasytogethoppingmad.Anythingcansetoffanger—yourspouseforgotto【C1】______thekidsatschool,yourco-workeris
It’seasytogethoppingmad.Anythingcansetoffanger—yourspouseforgotto【C1】______thekidsatschool,yourco-workeris
A、Picturetaking.B、Memory.C、Languagelearning.D、Poemwriting.B主旨题。本文介绍记忆力。通过浏览选项可知,本题考的可能是事实判断题或者推理题,这就要求考生在听录音的时候,特别关注选项所示
______(交通非常拥挤),otherwiseIwouldhavebeenhere50minutesSooner.
Forthispart,youareallowed30minutestowritealetterofrefusal.Youshouldwriteatleast120words,andbaseyourcompo
A、Practicingconstantly.B、Workingbyoneself.C、Learningbydoing.D、Usingprovenmethods.B短文最后一句说,罗伯茨认为,一个人学习全新的东西时,最好是找个没人的地
Forthispart,youareallowed30minutestowriteacompositiononthetopic:CityProblems.Youshouldwriteatleast120word
A、Children.B、Historicalscenes.C、Well-knownpeople.D、Landscapes.C综合推断题。男士问朱莉娅都给什么人拍照,女士回答说是她那个年代的名人,还说他们会在展览上看到究竟有哪些人,由此推断,
随机试题
某工厂建一排污无盖的长方体,其体积为V,底面每平方米造价为a元,侧面每平方米造价为b元,为使其造价最低,其长、宽、高各应为多少?
关于T型管引流的护理说法正确的是
A.轻度精神发育迟滞B.儿童孤独症C.中度精神发育迟滞D.儿童多动症E.儿童精神分裂症患儿,男,7岁。因不能入学由母亲带来心理门诊。母亲诉2周岁时患儿聪明伶俐,2岁半以后无明显原因开始不愿说话,及至5岁时几乎一天不说话,从不与父母有交流,就连父
人民币是我国的法定货币,支付我国境内的一切公共的和私人的债务,任何单位或个人均不能拒收。( )
作为一名即将走上教师岗位的新教师,你认为教师应该具备的学科专业素养是什么?
数字鸿沟:是指在全球数字化进程中,不同国家、地区、行业、企业、社区之间,由于对信息、网络技术的拥有程度、应用程度以及创新能力的差别而造成的信息落差的趋势。根据上述定义,下列现象属于数字鸿沟的是()。
某公司的员工中,拥有本科毕业证、计算机登记证、汽车驾驶证的人数分别为130,110,90.又知只有一种证的人数为140,三证齐全的人数为30,则恰有双证的人数为
韩先生为了寻找曾经帮助他的司机,向新闻媒体提供了他记得的车牌信息,韩先生看到的车牌号为“晋BM****”,最后一位是字母,其他三位全是奇数,且数字逐渐变大,那么符合要求的车牌有().
Notwoeconomiccrisesareidentical.Butthesamequestionsrecur.Howdidwegetintothismess?Howcanwegetoutofit?How
WhatdoIwant?It’sreallyavery【C1】______question:yetmanyofusarenotsure.【C2】______itdoesn’thavetobeallthatdif
最新回复
(
0
)