Smoking provokes a number of diseases: problems with the cardiovascular system, lungs, several times increases the risk of developing cancer. On the eve of scientists from Japan has proven especially dangerous to smoke for the young women, they put their health in great danger.
Only specialists have analyzed the health of 800 women. Volunteers responded to the questionnaire, conducted the medical examination.
The study showed that Smoking in the period before menopause, increased the risk of breast cancer in 20 races, if the woman smoked for 20 years. Previously, the main cause of death among smokers is lung cancer was considered.