Is cancer a hereditary disease? To have cases in our family predisposes us to disease? These are some of the questions they intended to answer "Genetic counseling. Guide to prevent hereditary cancer", a manual prepared by the Center for Cancer Research through the Foundation for Cancer Research, University of Salamanca.
The answer is that what is inherited but is not cancer "genes, if mutated, are more likely to induce others to produce a cancer." But even in these cases, this factor is more important than the unhealthy living habits "like smoking or lead a sedentary life," says principal investigator of the Cancer Research Center (CIC) and Professor at the University of Salamanca, Rogelio Gonzalez Sarmiento.
Approximate 5 to 10 percent of the 200 cancers that are currently known to be inherited. These include skin cancer (melanoma), breast, ovary, prostate and colon, and some especially affecting children as retinoblastoma or cancer of the retina.
It is therefore important that people with a history of a given type of cancer in your family doctor for this value the convenience of making genetic counseling, which aims to determine the predisposition to develop cancers to prevent, where possible, reach occur. To find information is collected statistical and, if necessary, performing a genetic test, which consists of an extraction of blood for DNA analysis.
Environmental factors
In any case, the fact of having these genes does not always mean to take one hundred percent of ballots for developing cancer because "the mutation must be triggered by certain environmental circumstances," among which are the snuff, a unbalanced diet or sunlight.
Thus, it can give perfectly for people who, despite having inherited predisposition do not develop the disease. "Only 10 per cent of these cases turn out to be positive," stresses Gonzalez Sarmiento, who says that the healthy person is who benefits from these programs that prevent or detect at an early stage. "There are carriers who never develop cancer if they make a healthy lifestyle," concludes the researcher.
The answer is that what is inherited but is not cancer "genes, if mutated, are more likely to induce others to produce a cancer." But even in these cases, this factor is more important than the unhealthy living habits "like smoking or lead a sedentary life," says principal investigator of the Cancer Research Center (CIC) and Professor at the University of Salamanca, Rogelio Gonzalez Sarmiento.
Approximate 5 to 10 percent of the 200 cancers that are currently known to be inherited. These include skin cancer (melanoma), breast, ovary, prostate and colon, and some especially affecting children as retinoblastoma or cancer of the retina.
It is therefore important that people with a history of a given type of cancer in your family doctor for this value the convenience of making genetic counseling, which aims to determine the predisposition to develop cancers to prevent, where possible, reach occur. To find information is collected statistical and, if necessary, performing a genetic test, which consists of an extraction of blood for DNA analysis.
Environmental factors
In any case, the fact of having these genes does not always mean to take one hundred percent of ballots for developing cancer because "the mutation must be triggered by certain environmental circumstances," among which are the snuff, a unbalanced diet or sunlight.
Thus, it can give perfectly for people who, despite having inherited predisposition do not develop the disease. "Only 10 per cent of these cases turn out to be positive," stresses Gonzalez Sarmiento, who says that the healthy person is who benefits from these programs that prevent or detect at an early stage. "There are carriers who never develop cancer if they make a healthy lifestyle," concludes the researcher.
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