More than 37 million Americans, about one in ten, have diabetes, and another 96 million adults have pre-diabetes. Diabetes is growing more prevalent, with an estimated one in three Americans expected to develop the disease at some point in their lifetime. Chapter 1 examines how diabetes affects people of all ages, with a special focus on Americans with Type I diabetes and their families. Chapter 2 identifies the direct and indirect costs of diabetes on the economy. Chapter 3 explores new technological discoveries that are already changing the lives of people with Type 1 diabetes. Chapter 4 describes ED visits made by adults with diabetes, and presents selected characteristics by age.