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Scholars say that environmental factors may be the reason behind the high rate of infection of children with some types of cancer.
Scientists have discovered the "campaign of Cancer Research in Britain," a rise in the incidenceof cancer after conducted a detailed study on the number of cancer cases among children over a long period of time.
The search team from the Division of cancerous tumors in children at the University of Manchester in Britain in the incidence of cancer in children in the period between 1954 and 1998.
The researchers found that the most common cancers is brain cancer, cancer of the blood, leukemia, cancer of lymphatic system, and that these species are on the rise over the past forty five years.
The percentage of the annual increase between 1% and 3%
The ratio of brain cancer currently amount of 36%, much higher than it was in the fifties, as well as the incidence of acute cancer of the lymphatic leukaemia has increased by one third.
Also rose incidence of the types of cancer other unknown affecting children, these findings have led scientists to think that environmental factors may have caused the increase of infection.
RIDDLE brain cancer
Scientists do not know the reason behind it, but there are doubts that the chemical pollution or the nature of the conduct of life, or infection, or all the above factors together, stands behind the incidence of these diseases.
The researchers analysed the 4306 cases of cancer among children.
The President says the research team, Professor Julian Burch, to other types of cancer, children are rare, any study to determine the change in the proportion of infections must be extended over a long period of time.
He added Professor Burch "But we now have come to know that the incidence is rising, it is necessary to know the causes of this increase so that we can fight this disease and find a medicine for it."
Professor Burch said that an infectious, and it may be a virus, is responsible, at least in part, the increase in the incidence of cancer of the lymphatic or blood cancer.
He adds, "We believe that leukaemia in children may be the result of infection are common, some think that the reason behind it is the pattern of modern life, which increases the spread of the disease."
But the high incidence of brain cancer is still a mystery puzzling.
Researchers also found in the United States increase in the incidence of the disease, but they believe that the reason for the increase is to improve the ability of doctors to diagnose the disease.
But statistical tests conducted by researchers in the "campaign of Cancer Research," confirmed that the high percentage of injuries in Britain for example, may be real, the result of the changes in medical practices.
Research indicates that the diet and exposure to chemical contaminants are among the potential causes of cancer diseases in children, but there is no firm evidence supports this theory.
It is positive that it must be noted that the rate of recovery from this disease are also on the rise, and 70 percent of those infected are being treated successfully.
But the high incidence however small remains worrisome for the views of health and all people. Therefore, to reach the reasons behind the high incidence of these diseases is very important.
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