. Tobacco and teens
Evidence suggests that adolescents are more likely than boys to lung
cancer.
Indeed, it was discovered that a gene called GRPR present in some cells
of the lung and causing cancer cell proliferation is more active in women than
in men because it is located on the X chromosome.
To simplify the girls having an XX genetic formula, so two copies of the
GRPR gene therefore have a higher risk of getting lung cancer if they smoke
It seems likely that women who started smoking earlier, will earlier
lung cancer regardless of their smoking
It must be said again and again that not smoking can achieve better
sport performance, gives a better term, the skin is more beautiful and the
hair.
On the other hand the risk of breast cancer is higher among girls who
smoke during adolescence, because the breast tissue is forming.
Indeed, puberty lobules of the mammary gland are still primitive and it
was only after the first pregnancy the mammary gland is fully differentiated.
The cells from the mammary epithelium are more susceptible to
carcinogenic effect when they are in the process of differentiation into
lobules.
The effects of carcinogens are maximum between puberty and first
pregnancy, and manisfesteront later in adulthood.
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