Mr D is a 64-year-old married man who is now a media announcer after a career as a salesman. He has long-standing diabetes mellitus, first diagnosed when he was 38 years old. He has private health insurance through a managed care plan and receives ongoing care from Dr S, a general internist in a suburban community near Boston.A man who has enjoyed competitive tennis all his life, Mr D is 6 ft (180 cm) tall and has maintained a steady weight of about 178 lb (80 kg). There is a distant smoking history of about 20 pack-years; he has not smoked since 1970. He has 1 or 2 alcoholic beverages daily; there is no history of alcohol or drug abuse. He has no family history of diabetes mellitus. He continues to play tennis at least 3 times a week for 2 to 3 hours and enjoys horseback
Rubenstein AH. A 64-Year-Old Man With Adult-Onset Diabetes. JAMA. 1996;276(10):816–822. doi:10.1001/jama.1996.03540100060029
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