1. The study analyzed weight gain data from ages 18 to 22 for young adults in the National Longitudinal Survey of Youth 1997. 2. College graduates gained an average of 1.6 kg/m2 (11 lbs) while non-college graduates gained 1.9 kg/m2 (13 lbs) on average. 3. College graduation was associated with 0.34 kg/m2 less weight gain (2 lbs less) compared to non-college graduates.