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Don't smoke, and eat and drink mindfully

You can still get this disease if you don't smoke or drink and you eat a low-fat diet. But some studies draw a link between breast cancer and the same poor lifestyle habits that encourage heart disease and diabetes. Research has shown that being overweight or obese (especially if you're past menopause) increases your risk of breast cancer, especially if you put on the weight as an adult.

Next: Get regular checkups