what is a Breast cancer?
November 10, 2009 | In: Health & Fitness
Breast cancer is a malignant tumor of the mammary gland. In other words, is a cancer that arises in the unit cell whose function is to secrete milk, units ducto-lobular breast, mainly in women (remember that man possesses within him as an atrophied).
This cancer is most common in women and the leading cause of death among gynecological cancers in developed countries.
The France is among the countries where its incidence has increased faster (2.4 per 100 000 women per year) over the period 1980 2005 with a slowdown from 2000 to 2005 (+ 2.1 per 100 000 women per year) [1].
10 to 15% (less than 1 in 5 today) of these cancers have a hereditary genetic origin. 85 to 90% of cases (known as sporadic or non-hereditary ‘) have misunderstood the origins, environmental. According to recent work by researchers from CNRS and CEA and doctors of the hospital Saint-Louis, 50% of sporadic breast cancers are induced by hormonal treatments, with – as suggested by several epidemiological studies – a predisposition of some women to cancer. Some choice of lifestyle (alcohol, trans fats, obesity, lack of exercise) or gynecological choice (late first pregnancy, lack of breastfeeding, etc..) Also promote cancer.
