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"  A new study in the Journal of Clinical Oncology found that obese women have four times the risk of developing inflammatory breast cancer, a rare type that makes up one to six percent of breast cancers. This news expands on earlier findings regarding breast cancer&amp;#039;s increased appearance in women who are overweight. Anne McTiernan, a researcher at the Fred Hutchinson Cancer Research Center in Seattle, has good news, though: &amp;quot;About 25 percent of all breast cancer cases in women of all ages could be avoided by maintaining a healthy body weight and doing regular physical activity.&amp;quot;  Breast cancer that isn&amp;#039;t linked to genes &amp;quot;appears to be connected to lifestyle and environment,&amp;quot; McTiernan tells USA Today. A woman&amp;#039;s lifetime exposure to estrogen plays a large factor in breast cancer risk, and the link between obesity and breast cancer lies in the fact that increased body fat raises estrogen levels.  McTiernan says as little as 1.25 to 2.5 hours of brisk walking per week can reduce a woman&amp;#039;s risk of breast cancer by as much as 18 percent. She also recommends squeezing in exercise where you can (like taking the stairs) and sitting less. &amp;quot;It&amp;#039;s never too late to make lifestyle changes to reduce your risk for breast cancer.&amp;quot;  Related: The Most Honest, Intimate Breast Cancer Stories You&amp;#039;ll hear This Year "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.redbookmag.com/body/health-fitness/news/a16171/breast-cancer-obesity-link/>