How would I have my sister tested for type 2 diabetes?

She is 18 and she’s obese (I calculated her BMI). Diabetes (type 1 & 2) runs in the family and I am worried about her, she refuses to eat right and exercise at all. What should I do? Call the family doctor or just schedule a test? She would never ask the doctor for a [...] http://bit.ly/nXQNly