With 92% of water content watermelon (popularly called tarbuj) stands as the most refreshing hydrating and cooling fruit that one can relish to beat summer heat especially in tropical countries like India. Apart from its high water content and sweet taste watermelon is packed with plenty of nutrients that makes it extremely healthy. Here are some health benefits of this super food you'll be surprised to know. 1# Keeps your heart healthy: Watermelons contain several bioactive compounds like citrulline an amino acid that is metabolised to arginine. Arginine is used for the production nitric oxide a compound that has a