US dollars http://madthumbs.fun/ madthumb No risk factor either alone or in combination with others means you'll definitely get breast cancer. There are various factors that may increase your risk of developing the disease. Some of these appear to increase your risk only slightly. They include smoking, drinking (more than five alcoholic drinks per week year after year), getting your first menstrual period before age 12, continuing to have periods after age 55, and not having your first full-term pregnancy until after age 30. If you have a number of these, the increase in risk can start to be more meaningful.