The American Cancer Society notes that cabbage helps prevent cancer of the colon and stomach. According to Dr. Wendy Demark at the Duke Comprehensive Cancer Center, diet plays a big role in cancer prevention. It is estimated that over one third of all cancer-related deaths could be prevented by a healthy diet. Fruits and vegetables are key. Research suggests that people who eat at least 5 servings of fruits and vegetables per day cut their cancer risk in half when compared to those who consume one serving or less.
Vegetables are especially nutrient dense.
Calorie for calorie they pack more vitamins, minerals, fiber, and other cancer fighting agents than any other food group. Take a poll of how many students ate vegetables yesterday. Brainstorm ideas for other ways to eat them. Demonstrate proper hand-washing techniques. Then demonstrate washing leafy greens.