what causes someone to lose weight without trying
High levels of blood sugar can lead to the common signs and symptoms of diabetes, including: 1  Urinating more than usual. 2  Frequently being very thirsty, hungry, or tired. 3  Losing weight without trying.  Blurry 1  vision. Dry or itchy skin.  Tingling sensations in your hands or 1  feet. Sores that don't heal  well.