The Methods of Restraint of Cancers：Reducing Incidence and Treating Earlier

摘要

Cancers were once called plagues of 21 st century. Plague means infectious disease, in the middle centuries, pestis was epidemic in Europe and thousands of people died of it.Cholera was epidemic in Europe and America in the 17th century, and thousands people died as well. After 1950s, along with advances of science and technology,perfection of public health installation,