There is provided in accordance with an exemplary embodiment of the invention a method of treating diabetic patients comprising measuring a triglyceride level in a diabetic patient and applying a diabetes treatment according to the triglyceride level. Optionally, there is provided a method of screening. Alternatively or additionally, there is provided a method of weight loss. Alternatively or additionally, there is provided a method of relatively reducing HOMA-IR levels. Alternatively or additionally, there is provided a method of relatively reducing blood pressure. An exemplary device to apply the treatment is described.