6. Fruity Breath
It is not too often that breath smells as good as fruit, but if it does, this could be a sign of high blood sugar. A fruity odor released from your mouth is something that would indicate ketone bodies in your blood, which are often produced when the body is unable to utilize glucose efficiently. Ketones are a serious complication of diabetes and if you have not had your blood sugar checked in sometime, it might be a good time to do it if someone compliments you on your fruity breath.