Broccoli has important substance or enzyme that helps fight malignant tumor. A study of the Vanderbilt University found that in this study of 4,886 Chinese breast cancer survivors who had been diagnosed with stage 1 to stage 4 disease.Researchers discovered that those who ate broccoli during the first three years, food at least 1 meal must include broccoli. After their breast cancer diagnosis experienced the following benefits based on the amount of vegetables they ate, First of all, risk for death from breast cancer decreased by 22% to 62%, and the last of all, risk for recurrence of breast cancer decreased by 21% to 35%. Therefore, women who ate half cup broccoli especially sprouts or shoots broccoli at least once a week, has the power to selectively target and kill cancer cells, meanwhile leaving normal breast cells unaffected.