Figure 5.

Protein-rich foods and long-term weight gain in three separate US prospective cohort studies, based on 16 to 24 years of follow-up. Weight changes every 4 years are shown for each 1-serving/day increase in consumption; decreased consumption would be associated with the inverse weight changes. To convert kg to lbs, multiply by 2.2. All weight changes were adjusted for age, baseline body mass index, sleep duration, and concurrent changes in smoking status, physical activity, television watching, alcohol use, and consumption of fruits, vegetables, glycemic load, and all of the dietary factors in the Figure simultaneously.

Reproduced with permission from Smith et al., Am J Clin Nutr. 2015;101:1216-1224