CCK and Obesity: Interestingly, Martins et al. indicated that a 12-week supervised aerobic training (5times per week, 75% HRmax) in individuals with obesity-induced a mean decrease in body weight of 3.5 kg (from 96.2 to 92.7 kg) but had no significant effect on fasting or postprandial cholecystokinin concentrations (Martins et al., 2013).