25. You eat vegetables in a rainbow of vegetable, excluding white

THE RESULT: You miss out on sources of antioxidants, vitamins, and minerals that could add more flavor and variety to your diet.

THE FIX: Think of white as a color, too, and enjoy white vegetables. Cauliflower, white onion, and garlic all con­tain compounds linked to cancer prevention. And even white-fleshed potatoes (with the skin on) are a healthy option: They have potassium, vitamin C, and fiber.