Excess weight gain occurs when more calories are consumed than expended over a long period of time. Accurate translation between changes in calories and changes in weight is important for setting goals and for evaluating interventions at both the individual and population levels. For years, a simple rule of thumb has been used for predicting weight change: 3,500 calories equals one pound of body weight change. However, emerging research demonstrates that the math is not that straightforward, and the 3,500-calorie rule will create overly optimistic predictions of weight loss, oftentimes being in error by many fold. This brief presents new mathematical models that can be used to calculate the impact of calories on body weight in both adults and children, and several useful rules of thumb that can estimate changes at the population level. These models suggest that the obesity epidemic was driven by much larger changes in calorie intake than previously believed and will require aggressive strategies to reverse.
From Calories to Weight Change in Children and Adults: The State of the Science
The Academic, Behavioral, and Health Influence of Summer Child Nutrition Programs: A Narrative Review and Proposed Research and Policy Agenda
Since 1975, the US Department of Agriculture has sponsored the Summer Food Service Program as a nationwide strategy for providing nutritious meals to children and youth (aged 18 years or younger) in low-income communities during the summer months. Many programs are sponsored by community organizations as well as school districts … More
Engaging Fathers in Early Obesity Prevention During the First 1,000 Days: Policy, Systems, and Environmental Change Strategies
Fathers are critical stakeholders in childhood obesity prevention but are difficult to engage. This review presents a new approach to engaging fathers in obesity prevention during the first 1,000 days. The review focuses on five existing health and social service programs, including prenatal care, pediatric care, the Special Supplemental Nutrition … More
Parental and Provider Perceptions of Sugar-Sweetened Beverage Interventions in the First 1,000 Days: A Qualitative Study
Novel approaches to reduce sugar-sweetened beverage (SSB) consumption during the first 1,000 days – pregnancy through age 2 years – are urgently needed. This study examined perceptions of SSB consumption and acceptability of potential intervention strategies to promote SSB avoidance in low income families in the first 1,000 days. Themes … More