Diabetes will be the topic during the March session of Lunch and Learn sponsored by McMinnville Parks and Recreation and River Park Hospital. The event is this Thursday, March 22, at noon at McMinnville Civic Center and will feature special guest speaker Rene Aguirre. Dr. Aguirre is a hospitalist at River Park Hospital and he is board certified in the practice of internal medicine, which is a medical specialty dedicated to the diagnosis and medical treatment of adult diseases and ailments such as diabetes.