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Obesity

From this page, you can access a variety of information and resources to help learn about and manage obesity.

Close-up of a person wearing a green shirt using a pink tape measure to measure their waist circumference.

What is obesity?

Obesity is a chronic (long-term) condition with many causes that leads to too much body fat and sometimes, bad health. Too much body fat is not a disease, but often when there is too much body fat it changes the way the body works. These changes can lead to poor health outcomes such as joint pain, asthma, diabetes and heart disease.

How is obesity diagnosed?

There are no specific symptoms of obesity. Your healthcare provider may diagnose you based on your past medical history and your body mass index (BMI). They may also order tests to rule out other medical conditions.

What is body mass index (BMI)?

Your BMI is a measure of the amount of fat in your body. It is based on your weight and height. It is important to note that body mass index is a screening tool and not a diagnosis. To diagnose obesity, other measures such as waist size are used to better understand your health.

Below are the BMI categories for adults:

  • Underweight is a BMI of less than 18.5
  • Healthy weight is a BMI of 18.5 to 24.9
  • Overweight is a BMI of 25 to 29.9
  • Obesity is a BMI of 30 or above

Can I prevent obesity?

If you have noticed weight gain or have a family history of obesity, you may want to take steps to prevent obesity sooner rather than later. Small steps can make a big impact on your health including:

  • Removing 1 sugary or high calorie snack from your day
  • Adding a small daily exercise like a 30-minute walk after work
  • Making sure you get enough sleep
  • Focusing on positive changes

How is obesity treated?

Your overall health will help your provider know the best treatment plan for you. Sometimes there are changes that can be made right way like changing a medicine, but weight loss takes time and the treatment will be long term. Since many things need to be taken into consideration, there may be some trial and error to figure out the best treatment plan for you. Your treatment plan may include:

  • Changes in diet
  • More physical activity – check with your doctor before starting any exercise program
  • Behavioral therapy, counseling, or support groups
  • Medicine
  • Weight loss surgery

Your health care team can go over your health risks and talk to you about what treatment options are best for you.

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  • What is obesity?
  • How is obesity diagnosed?
  • Can I prevent obesity?
  • How is obesity treated?
  • Tools
  • Resources