Nearly 16 million people in the United States--nearly one out of every 17 people--have diabetes. And about 1,800 new cases are diagnosed each day. Technically, this disease is known as "diabetes mellitus," diabetes from the Greek for excessive urination, a symptom the ancients noticed, and mellitus, from the Latin for honey--diabetic urine is filled with sugar and is sweet. There are three types of diabetes: type 1, type 2, and gestational diabetes. All of them are a little different. But everyone with diabetes has one thing in common: Little or no ability to move sugar--or glucose--out of their blood into the