"<strong>Cucumber</strong><br />Water content: 96.7%<br /><br />This summer veggie -- which has the <a href=""http://ndb.nal.usda.gov/ndb/foods/show/2945"" target=""_blank"">highest water content </a>of any solid food -- is perfect in salads or sliced up and served with some hummus, says Keri Gans, author of ""The Small Change Diet: 10 Steps to a Thinner and Healthier You"" and a consultant to Mindbloom, a technology company that makes life-improvement apps.<br /><br />Want to pump up cucumber's hydrating power even more? Try blending it with nonfat yogurt, mint and ice cubes to make cucumber soup. <br /><br /><a href=""http://www.health.com/health/gallery/0,,20660118,00.html"" target=""_blank"">Health.com: The best foods for every vitamin and mineral</a><br />"