The search for diabetes prevention foods is over! Eating more fruit is how to cure diabetes naturally without using medication. The science shows fruits thins the blood naturally, helping diabetics avoid vascular problems and is highly instrumental in avoiding the disease altogether. Your doctor should be telling you to eat more of certain fruits! Diabetes affects more than 420 million people worldwide and more than 29 million people in the United States according to the World Health Organization (WHO) and the Centers for Disease Control (CDC).