癌症,曾被称为“20世纪的瘟疫”。因为在过去的百余年中,现代医学得到了突飞猛进的发展,基本上控制、甚至消除了一些急性烈性传染病,严重危害人类健康的疾病主要是心脑血管病、癌症等慢性病了。虽然已经进入21世纪,但癌症发生率并没有得到有效遏制,反而有愈演愈烈之势。那么,怎样预防癌症的发生呢? Cancer was once known as “the plague of the 20th century.” Because in the past more than 100 years, modern medicine has developed by leaps and bounds. Basically, it has controlled or even eliminated some acute infectious diseases. The diseases that seriously endanger human health are mainly chronic diseases such as cardiovascular and cerebrovascular diseases and cancer. Although it has entered the 21st century, the incidence of cancer has not been effectively contained, but it has become increasingly fierce. So how can we prevent cancer from happening?