METHODS	On 2 separate days , 8 healthy adult men received intravenous L-NAME 180 microg/kg/h or 0.9 % saline ( 0-150 min ) ; between 30 min and 120 min , an intraduodenal lipid infusion ( 2 kcal/min ) was administered , and at 120 min subjects were offered a buffet meal ( 120-150 min ) .\