Weight loss breast cancer risk,Weight loss might help to decrease a risk factor for breast cancer, according to a new study.


For obese and overweight women, losing just 5 percent of total body weight could help to lower circulating estrogen levels linked with increased breast cancer risk, according to the study in the Journal of Clinical Oncology.

The researchers from the Fred Hutchinson Cancer Research Center conducted their study on 439 women between the ages of 50 and 75, all of whom were overweight or obese. They were split up into four groups: the diet-only group, the exercise-only group (which consisted mainly of walking at a brisk pace), the exercise-and-diet group and the no-intervention group.