The guidelines for patients’ eligibility for bariatric surgery have not changed since 1991, although recent data suggest there may be indications for broadening application of the surgery.

A discussion of the ethical issues raised by a patient’s request for off-label, prophylactic bariatric surgery to prevent diabetes mellitus type 2 (DM type 2).

A discussion of the ethical issues raised by a patient’s request for off-label, prophylactic bariatric surgery to prevent diabetes mellitus type 2 (DM type 2).