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Four causes of childhood cancer

Cancer is caused by changes to the DNA of the cell. The DNA inside cells is packaged into a large number of individual genes.

1.Lifestyle factor. Smoking a high-fat diet and working with toxic chemicals are examples of lifestyle choices that may be risk factors for some adult cancer. Most children with cancer, however, are too young to have been exposed to that lifestyle factor for any extended time.

2. Family inheritance, history, and genetic may play an important role in some childhood cancer. It is possible for cancer of varying to be present more than once in a family, it is unknown this circumstance if the disease is caused by a genetic mutation, exposure to chemical near a family residence.

3. Exposure to certain viruses. Epstein Barr virus and HIV, the virus that causes aids have been linked to an increased risk of developing certain childhood cancer. Possibly the viruses alter a cell and eventually these alterations become a cancer cell that reproduces more cancer cells.

4. Environmental exposure. Pesticide, fertilizer, and power lines have been researched for a direct link to childhood cancer. There has been evidence of cancer occurring among nonrelated children in certain neighborhoods and cities, whether prenatal or infant exposure to these agents causes cancer or whether it is a coincidence is known.

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Epstein Barr HIV

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