China is in a constant struggle against the explosion of chronic diseases such as heart disease and cancer, two of the leading causes of death in the country this is evidence of bad habits usual in China. Chinese culture recently suffer several changes such as office jobs replace agriculture, cars replace bicycles and smoking remains stubbornly popular, for this reason diseases like heart ailments, cancer and respiratory diseases have replaced hepatitis, diarrhea and malaria, the newly prosperous China faces a very different health crisis that was only a generation ago, when it was still largely poor and agrarian. China has a mortality rate from respiratory diseases such as emphysema, three times larger than the United States.