Obesity

Obesity =

Obesity facts

  • Obesity means having excess body fat. Adults 35 years of age and older with a BMI greater than 30 are obese.
  • Obesity is not just a cosmetic consideration. It is a chronic medical disease that can lead to diabetes, high blood pressure, heart disease, gallstones, and other chronic illnesses.
  • Obesity is a risk factor for a number of cancers.
  • Obesity is difficult to treat and has a high relapse rate. Most people who lose weight regain the weight within five years.
  • Even though medications and diets can help, the treatment of obesity cannot be a short-term "fix" but has to be a lifelong commitment to proper diet habits, increased physical activity, and regular exercise.
  • The goal of treatment should be to achieve and maintain a "healthier weight," not necessarily an ideal weight.
  • Even a modest weight loss of 5%-10% of initial weight and the long-term maintenance of that weight loss can bring significant health benefits by lowering blood pressure and lowering the risks of diabetes and heart disease.
  • The chances of long-term successful weight loss are enhanced if the doctor works with a team of professionals, including dietitians, psychologists, and exercise professionals.

What is obesity?

The definition of obesity varies depending on what one reads. In general, overweight and obesity indicate a weight greater than what is healthy. Obesity is a chronic condition defined by an excess amount of body fat. A certain amount of body fat is necessary for storing energy, heat insulation, shock absorption, and other functions.
Body mass index best defines obesity. A person's height and weight determines his or her body mass index. The body mass index (BMI) equals a person's weight in kilograms (kg) divided by their height in meters (m) squared (more information will be found later in the article). Since BMI describes body weight relative to height, there is a strong correlation with total body fat content in adults. An adult who has a BMI of 25-29.9 is overweight, and an adult who has a BMI over 30 is obese. A person with a BMI of 18.5-24.9 has a normal weight. A person is morbidly obese (extreme obesity) if his or her BMI is over 40.
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