Effects of White Button Mushroom on Inflammation in Obese Postmenopausal Women at High Risk of Breast Cancer

This clinical trial studies the effects of dietary white button mushroom on inflammation (the body's process of fighting against harmful things) and immune cells (white blood cells) in postmenopausal women with both high body mass index or BMI (percentage of body fat) and high risk of breast cancer. The body is in a constant state of alert when inflammation lingers at a low level and becomes chronic, as with having button mushroom is a dietary supplement that may improving responses of immune cells (white blood cells) and decreasing chronic inflammation. Information gathered from this study may help researchers determine whether white button mushroom have any effects on body fat and breast cancer risk.