Vegetables and fruits are typically low in calories and filled with essential nutrients, making them an essential part of any healthy diet. Getting more of these nutritious foods may help lower your risk for heart disease, high blood pressure, digestive problems, vision problems and cancer. They don't supply all of the essential. Which fruits and vegetables are best? That's easy: They're all good! If you eat many different types of fruits and veggies, you're sure to get all the different types of nutrients you need. The American Heart Association recommends filling at least half your plate with fruits and veggies in order to make it to the. Vegetables and fruits are an important part of a healthy diet, and variety is as important as quantity. No single fruit or vegetable provides all of the nutrients you need to be healthy. Eat plenty everyday. A diet rich in vegetables and fruits can lower blood pressure, reduce risk of heart disease and stroke, prevent some types of.