Scientists find that hard-working people live longer than average men and women. Women working in companies arehealthier than those who do housework at home. There is evidence that the jobless are in poorer health than job-holders. Arecent study shows that whenever the employment rate increases by 1%, the death rate increases by 2%. All this comesdown to one point: work is helpful to health. 

Why is work good for health? It is because work keeps people busy, away from loneliness. Researches show thatpeople feel unhappy, worried andsolitarywhen they have nothing to do. The happiest are those who are busy. Manysuccessful people who love their jobs feel they are very happy when they are working hard. Work serves as a bridge between man and society. By doing work-people come into contact with each other. By working together and helping eachother, they find friendship and warmth. This is helpful to health. The loss of work means the loss of everything. It affects people spiritually（精神上的）and they get sick easily. 

Besides, work gives one a sense of happiness and a sense of achievement. Work makes one feel his value and positionin society. When a writer finishes his writing or a doctor successfully operates on a patient or a teacher sees his studentsgrow, they are happy beyond words. 

From the above we can come to the conclusion that the more you work, the happier find healthier you will he.So let us work hard and live a happy and healthy life.