In exp 2, 6-week-old C57BL6J mice were intraperitoneally injected with 1% Tween saline or PCPA (500 mg/kg) once a day over 3 days. Then, mice were intraperitoneally injected with saline or liraglutide (100 μg/kg) in the light cycle once a day over 4 days. Daily food intake and body weight changes were determined.