Broccoli, cabbage, leafy greens, cauliflower-your mother insisted they were good for you while you defiantly pushed them around your plate. Perhaps you didn't believe they were all that good for you. If they're so great, why don't they taste better? Turns out your mother was right. These cruciferous vegetables have a profound influence on the health of your body's cells. In fact, a recent study by Vanderbilt University's Ingram Center showed that a diet full of cruciferous vegetables protects and improves breast cellular health.