These leaves are very beneficial for our overall health, because they are rich in vitamins, enzymes, antioxidants and many other minerals. When ignored or left untreated, Diabetes can lead to a series of other serious illnesses such as blindness, nerve damage, kidney failure, heart disease, erectile dysfunction (in men). With processed food and fast food readily available, the number of diabetic people increase by the day. So, what can we do to cure diabetes if we don’t have money for medication? Simple: a few mango leaves, and a pot of water.