Print Risk Factors and Causes of Obesity Many factors can contribute to obesity and overweight, including lifestyle choices e. When a person takes in more calories than he or she uses, overweight and obesity result. These excess calories are stored in the body as fat, and unless weight-control strategies are put into place, more and more weight is gained.
However, BMI doesn't directly measure body fat, so some people, such as muscular athletes, may have a BMI in the obese category even though they don't have excess body fat.
Ask your doctor if your BMI is a problem.
When to see a doctor If you think you may be obese, and especially if you're concerned about weight-related health problems, see your doctor or health care provider. You and your provider can evaluate your health risks and discuss your weight-loss options. Request an Appointment at Mayo Clinic Causes Although there are genetic, behavioral and hormonal influences on body weight, obesity occurs when you take in more calories than you burn through exercise and normal daily activities.
Your body stores these excess calories as fat. Obesity can sometimes be traced to a medical cause, such as Prader-Willi syndrome, Cushing's syndrome, and other diseases and conditions. However, these disorders are rare and, in general, the principal causes of obesity are: If you're not very active, you don't burn as many calories.
With a sedentary lifestyle, you can easily take in more calories every day than you use through exercise and normal daily activities. Unhealthy diet and eating habits.
Weight gain is inevitable if you regularly eat more calories than you burn. And most Americans' diets are too high in calories and are full of fast food and high-calorie beverages.
Risk factors Obesity usually results from a combination of causes and contributing factors, including: Your genes may affect the amount of body fat you store, and where that fat is distributed. Genetics may also play a role in how efficiently your body converts food into energy and how your body burns calories during exercise.
Obesity tends to run in families. If one or both of your parents are obese, your risk of being obese is increased. That's not just because of genetics.
Family members tend to share similar eating and activity habits. With a sedentary lifestyle, you can easily take in more calories every day than you burn through exercise and routine daily activities. Having medical problems, such as arthritis, can lead to decreased activity, which contributes to weight gain.
A diet that's high in calories, lacking in fruits and vegetables, full of fast food, and laden with high-calorie beverages and oversized portions contributes to weight gain. In some people, obesity can be traced to a medical cause, such as Prader-Willi syndrome, Cushing's syndrome and other conditions.
Medical problems, such as arthritis, also can lead to decreased activity, which may result in weight gain. Some medications can lead to weight gain if you don't compensate through diet or activity.Until recently, researchers have focused most of their attention on psychosocial factors that contribute to obesity and related behaviors, such as diet and physical activity.
1, 2 However, there is increasing recognition of the important role that environmental factors play in these behaviors. Obesity is a complex health issue to address. Obesity results from a combination of causes and contributing factors, including individual factors such as behavior and genetics.
Behaviors can include dietary patterns, physical activity, inactivity, medication use, and other exposures. one factor that contributes to an individual being overweight.
Understanding contributing factors will assist in serving the needs of obese individuals as well as in prioritizing soci-. Individual behaviors and environmental factors can contribute to excess caloric intake and inadequate amounts of physical activity. The current high rates of obesity have been attributed to, in part, increased snacking and eating away from home, larger portion sizes, greater exposure to food advertising, limited access to physical activity opportunities, and labor-saving technological advances (Duffey & Popkin, .
Obesity usually results from a combination of causes and contributing factors, including: Genetics. Your genes may affect the amount of body fat you store, and where that fat is distributed. Many factors can contribute to obesity and overweight, including lifestyle choices (e.g., lack of exercise, Alcohol adds calories to the diet, increases appetite, and may interfere with a person's ability to make good choices about healthy meals and portion sizes.