Including tomatoes in the diet can help protect against cancer, maintain healthy blood pressure, and reduce blood glucose in people with diabetes. Tomatoes contain key carotenoids such as lutein and lycopene. These can protect the eye against light-induced damage. Eat more tomatoes by adding them to wraps or sandwiches, sauces, or salsas. Alternatively, eat them cooked or stewed, as these preparation methods can boost the availability of key nutrients. Tomatoes are in the top ten fruits and vegetables for containing levels of pesticide residue. Wash tomatoes before eating.