The incidence of leukemia due to internal and external

Leukemia is a hematopoietic malignancy. Pathological features of its predecessor for the white blood cells or other immature cells in the bone marrow hematopoietic tissue diffuse dysplasia, thus infiltrating human tissues and organs resulting from a variety of symptoms. Clinical fever, bleeding, anemia, liver and spleen, swollen lymph nodes as the main performance. External causes of morbidity an indispensable condition, there are three:

1. Physical: There are radiation, ultraviolet rays, as represented by the dust of asbestos fibers, cadmium, asphalt, represented by a variety of pests. The prevalence of long-term exposure opportunities for physical contact than non-high 3 ~ 10 times. Such as the Hiroshima atomic bomb, the former Soviet nuclear accident have led to a considerable number of leukemia patients.

2. Chemical: 80% of leukemia related to environmental pollution.

3. Biology: the main caused by a virus and bacteria.

The above external factors, internal factors are mainly the following five.

1. Genetic: leukemia, multiple-generation family history of continuous high-fat, and sometimes 3-4 times higher than the general population.

2. Spirit: the spirit of a long time with depression, depressed about.

3. Immunization: resistance to weakening or failure are prone to the disease.

4. Bad habits: include smoking, alcohol, the partial eclipse, unscientific, cooking and so on.

5. Nutrition: the recipe of vitamins, minerals and protein, fat, sugar, cellulose, etc. can be a lack or loss of balance, causing disorder within the environment.