A study recently published in the Annals of Surgery gives much more insight into oft-repeated claims that weight loss surgery cures diabetes.
The study can be found here:
Can Diabetes Be Surgically Cured? Long-Term Metabolic Effects of Bariatric Surgery in Obese Patients with Type 2 Diabetes Mellitus. Brethauer, Stacy A. et al. Annals of Sugery, 10/13/2013. doi: 10.1097/SLA.0b013e3182a5034b