防癌保健重要医学知识（Important medical knowledge of cancer prevention and health care）.docVIP

下载本文档

3
0
约6.59千字
约 5页
2017-08-20 发布于河南
举报
版权申诉

防癌保健重要医学知识（Important medical knowledge of cancer prevention and health care）.doc

1、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。。
2、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击这里二次下载。
3、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
4、该文档为VIP文档，如果想要下载，成为VIP会员后，下载免费。
5、成为VIP后，下载本文档将扣除1次下载权益。下载后，不支持退款、换文档。如有疑问请联系我们。
6、成为VIP后，您将拥有八大权益，权益包括：VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
7、VIP文档为合作方或网友上传，每下载1次，网站将根据用户上传文档的质量评分、类型等，对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档

防癌保健重要医学知识（Important medical knowledge of cancer prevention and health care）

防癌保健重要医学知识（Important medical knowledge of cancer prevention and health care） Important medical knowledge of cancer prevention and health care December 19, 2003 Lai Jiming The evolution of cancer from normal cells to cancer cells, take a very long time (one, twenty years), from cancer cells begin to divide and to find the clinical cancer, but also about five years, the number of cancer cells at about 109 (1 billion), the size is about 1 cm, though we believe that in the 1 cm was found very early hours, but in the entire course of cancer, has gone 3/4 Road, the so-called early discovery, in fact it is too late. In addition, when the cancer cells split to 107 (10 million), although only 0.2 cm in size, angiogenesis has occurred. When these blood vessels to grow into cells, tumor cells will help blood vessels and transfer to other parts of the body, and clinical necessities to 109, we can find the cancer, so when the cancer is diagnosed, it has been transferred out, so even if found early, it is difficult to avoid recurrence and death after the day. However, the early diagnosis of cancer is too slow, but early diagnosis can be basically treatment, so that patients live longer, so we still encourage everyone to do regular health examination, early detection, early treatment. Because of our diet and living environment is filled with a variety of carcinogenic factors, early cells so almost every human body contains normal cells formed hurt after cancer (initiated cell), precancerous cells (preneoplastic cell) or cancer cells (neoplastic cell), but these are not diagnosed before the cancer cells that will not progress to cancer cells or cancer cells after the formation will not continue to grow as the cancer mass, depending on the individuals physique and acquired nursed back to health. Because the growth of cancer is very long, it can provide us with a good opportunity to prevent or block its growth. Personal constitution refers to the genetic predisposition and immunity,