cancer癌症英语介绍演讲

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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