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Unit 4 Looking good5feelinggood单元话题导读▼;健康是人类最大的财富，这也许每个人都知道。
但真正对这句话感悟至深的，恐怕大多数是那些不再健康或曾经不健康的人。
如何保持身心健康呢？读完这篇文章，相信你会珍惜现在的自己！！Nowadays more and more people are concerned about their health.But how to keep healthy ? Different people may give different answers to this question.Experts say it is essential to do the followings.First, it is absolutely necessary to take some exercise everyday.Research shows that getting plenty of exercise makes the heart beat faster and the lungs work harder.This strengthens the heart, reduces the chance of heart attacks, and helps lower blood pressure.That's why more and more people are becoming active in various kinds of sports and exercise.Through sports and exercise, people become healthier and stronger.It is widely recognized that a healthy, balanced diet is essential for preventing disease and illness, managing your weight, living longer and keeping things such as hair, skin and nails in good condition.Medical researchers have proved that what people eat affects their health.They advise people to eat more fruits and vegetables and less meat such as beef and pork because meat contains more fat than poultries and fish.Fat can build up in the arteries, block the flow of blood, and cause a heart attack or stroke.Getting rid of bad habits like smoking and drinking alcohol is also an important way to keep healthy.Smoking and drinking alcohol injure one's health a great deal, and therefore should be given up.Unfortunately, fewpeople follow this advice.If people follow these three ways of keeping fit, they will greatly improve their health.词］1.essential adj.2.strengthen vt.3.poultry n.4.artery n.词］5. stroke n.极其重要的增强；家禽；动脉；中风［诱思导读］'根据短文内容，回答下列问题。
