Simply put, overweight results from having a positive energy balance — consuming more energy from food than the body expends. However, many variables can impact calorie intake and energy expenditure, including genetics, socioeconomic status, physical activity, and the gut microbiome.[1]
References
- ^Ellen P Williams, Marie Mesidor, Karen Winters, Patricia M Dubbert, Sharon B WyattOverweight and Obesity: Prevalence, Consequences, and Causes of a Growing Public Health ProblemCurr Obes Rep.(2015 Sep)