These healthy juices pack some powerful health perks (just don't guzzle them of OJ prevents the inflammation that can be triggered by a fast-food breakfast. Delicious fruit and vegetable juices are a great snack for those trying to lose weight in a healthy way. Instead of gorging on calorie rich foods one can have a. Eating fruit can boost your health and help prevent disease. One study found that eating blueberries regularly may increase natural killer cells in the body. What makes cranberries unique from other fruits is that their juices.