Obesity | Conditions & Treatments | UCSF Medical Center

Posted: March 24, 2018 at 8:43 am

An estimated 60 percent of Americans aged 20 years and older are considered overweight and one-quarter are considered obese. Being overweight means that you have an excess amount of body weight, including muscle, bone, fat and water. Being obese means that you have an excess amount of body fat.

Obesity significantly increases your risk of developing life-threatening conditions, such as heart disease, stroke, high blood pressure, type 2 diabetes and some forms of cancer. Each year, approximately 280,000 adults die from an obesity-related condition in the United States. Additionally, studies have shown that people who are overweight often suffer from societal discrimination, which may lead to depression, self-esteem and body issue problems.

Obesity is a complex and chronic disease with many causes. It is not simply a result of overeating. Research has shown that genetics can play a significant role in determining a person's body weight, particularly for morbidly obese people. Diet and exercise may have a limited ability to provide effective, long-term relief for obese people.

Factors such as the environment, metabolism, eating disorders and certain medical conditions also may contribute to obesity.

Research has shown that a person's genes play an important role in their tendency to gain weight. Just as some genes determine eye color or height, others affect appetite, ability to feel full or satisfied, metabolism, fat-storing ability and even natural activity levels.

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If you are obese or morbidly obese, you are at risk for developing a number of serious health problems. The most common conditions include:

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There are countless weight-loss strategies available but many are ineffective and short-term, particularly for those who are morbidly obese. Among the morbidly obese, less than 5 percent succeed in losing a significant amount of weight and maintaining the weight loss with non-surgical programs usually a combination of dieting, behavior modification therapy and exercise.

People do lose weight without surgery, however, particularly when they work with a certified health care professional to develop an effective and safe weight-loss program. Most health insurance companies don't cover weight-loss surgery unless you first make a serious effort to lose weight using non-surgical approaches.

Many people participate in a combination of the following therapies.

Many of us have tried a variety of diets and have been caught in a cycle of weight gain and loss "yo-yo" dieting that can cause serious health risks by stressing the heart, kidneys and other organs.

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Reviewed by health care specialists at UCSF Medical Center.

Obesity | Conditions & Treatments | UCSF Medical Center

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