Preschoolers' Delay of Gratification Predicts their Body Mass 30 Years Later

To assess whether preschoolers' performance on a delay of gratification task would predict their body mass index (BMI) 30 years later.In the late 1960s/early 1970s, 4-year-olds from a university-affiliated preschool completed the classic delay of gratification task. As part of a longitudinal study, a subset (n = 164; 57% women) were followed up approximately 30 years later and self-reported their height and weight. Data were analyzed using...