What causes weight gain? Contending theories abound: •Calories •Sugar •Refined carbohydrates •Wheat •All carbohydrates •Dietary fat •Red meat •All meat •Dairy products •Snacking •Food reward •Food addiction •Sleep deprivation •Stress •Low fiber intake •Genetics •Poverty •Wealth •Gut microbiome •Childhood obesity The various theories fight among themselves, as if they are all mutually exclusive and there is only one true cause of obesity.
