A hospital in Brunswick is opening a new center that focuses on diabetes education and treatment. Mid Coast Hospital is opening its Mid Coast Center for Diabetes and Endocrinology on Monday. The center provides a multidisciplinary approach aimed at helping adults who have diabetes take an active role in managing their disease. The hospital says more than 100,000 Maine adults have diabetes, and that their health risks could be reduced through education programs and regular medical care. The center’s education component includes nutrition, insulin pump training and glucose monitoring.