Genes contribute to the causes of obesity in many ways, by affecting appetite, satiety (the sense of fullness), metabolism, food cravings, body-fat distribution, and the tendency to use eating as a way to cope with stress. The strength of the genetic influence on weight disorders varies quite a bit from person to person.. Your body stores these excess calories as fat. In the United States, most people's diets are too high in calories — often from fast food and high-calorie beverages. People with obesity might eat more calories before feeling full, feel hungry sooner, or eat more due to stress or anxiety.
Overweight and obesity may increase your risk for developing health problems, such as diabetes, heart disease, stroke, and certain cancers.. List of heaviest people This is a list of the heaviest people who have been weighed and verified, living and dead. The list is organised by the peak weight reached by an individual and is limited to those who are over 440 kg (970 lb; 69 st 4 lb).