cancer癌症英语介绍演讲
发布时间:2021-06-07
发布时间:2021-06-07
What is cancerDefinition
Cancer is also known as malignant tumor (恶性肿瘤),by the control of cell growth proliferation mechanism of arrhythmia caused by disease. Cancer cell division and growth rate is higher than normal cells, and often can be transferred to other organizations.
Because all kinds of reasons make human body cell electronic robbed,cause genetic mutations(基因突变), thus form lots of cancer cells,
and finally appear cancer.
The cause of cancer
1.The physical, chemical, biological and other carcinogenic factors
Ultraviolet(紫外线); ionizing radiation(电离辐射)
Nitrite(亚硝酸盐) Dioxin(二恶英)
The cause of cancer
HBV(乙肝病毒); Biological agents such as Fumaric acid(富马酸)and Phenol(苯酚)
The cause of cancer
2.The internal factors of cancer
immunologic function
Endocrine disorders
Heredity
The cause of cancer
Mental factors
Depression
Anger
The cause of cancer
3.Diet and nutrition disorders ; bad habits
Excessive drinking
Smoking
The cause of cancer
3.Diet and nutrition disorders ; bad habits
Hot food
Meat without cooking
The characteristics of the cancer cells
1.The cancer cells endless split, make the patients’ bodies nutrients are mass consumption . 2.The cancer cells release many toxins, make human body to produce a series of symptoms .
3.Cancer cells can transfer throughout the body grow, bring about human body weight, weakness, anemia, loss of appetite, fever and serious viscera function damaged, and so on.
The present situation of the cancerThe WHO international cancer research center has announced a study report said, according to the current trend of cancer, in 2020, the world cancer rates will increase 50% than now, global new cancer cases every year there will be up to 15 million people.
The number of new cases of cancer each year in China about 1.8 to 2 million, the death of about 1.4 to 1.5 million, and the number is in the continued to rise. The 20% of the world's new cases of cancer patients in China and 24% of the patients died of cancer in China. At present our country every death 5 people, 1 people die of cancer.
How to prevent cancer
Eat less pickles
Don't eat the food of the mildew
How to prevent cancer
Eat less smoked and Fried food
How to prevent cancer
No Smoking
How to prevent cancerTo eat more fresh fruit
Develop good eating habits Eat fresh vegetables
How to prevent cancer
How to prevent cancer
Pay attention to the health drinking water
How to prevent cancer
Do more exercises
How to prevent cancer
or
?
You need to pay attention to rest
How to prevent cancer
Learn to reduced pressure and keep good state of mind
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