It cannot be cured but it can be controlled with proper diet, exercise and, in some cases, with addition of medication.
Yes. Type 2 is usually hereditary. Your best line of defense is to take care of yourself before it develops.
Call your insurance company and ask if it covers Outpatient Diabetes Education Services with a Nurse or Dietitian, (if you have diabetes) or if not, ask if they cover Outpatient Nutritional Education, for your specific medical condition.