This term describes environments that promote increased food intake, unhealthy foods, and physical inactivity; it refers to conditions that lead people to become excessively fat.
______ refers to having a body mass index (BMI) of 25.0 to 29.9; obesity refers to a BMI of 30.0 or higher.
factors of why someone becomes obese
1. Sensitivity to satiety, or feeling full
2. body type and genes
3. "thrifty gene" theory
4. metabolic rates
5. hormonal influence: ghrelin and leptin
1. We sit more and move less because we use cars and remote controls, have desk jobs, and often spend many hours in front of the computer.
2. We are bombarded with advertising designed to increase our energy intake in the form of high-calorie foods.
3. Prepackaged high-fat meals, fast food, and sugar-laden soft drinks are widespread.
1. Eating tends to be a focal point of people’s lives; it has become a social ritual associated with companionship, celebration, and enjoyment. For many people, the psychosocial aspect of the eating experience is a major obstacle to successful weight control.
2. Studies show that socioeconomic factors—how much money you have, where you live, and how well educated you are—also provide obstacles or aids to weight control
psychosocial and environmental factors
______ is the fat necessary for the maintenance of life and reproductive functions. Fat regulates body temperature, cushions and insulates organs and tissues, and is the body’s main source of stored energy.