The good old guava is one of the most reasonable foods available around and it is also probably the most underrated. In fact, doctors now believe that the health benefits of this fruit exceed that off apples and oranges too. Not only is available all the year but it also very healthy and economical for most households. You can eat it on its own or mix it with other fruits to get a salad. The fruit helps in healing problems related to constipation along with being rich in vitamin A. So go ahead and make sure you have a guava a day.