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Obesity means you weigh more than what doctors say is healthy for your height.
Over 40% of all adults in the U.S. have obesity.
Carrying extra weight increases your risk of many health issues.
Getting to and staying at a healthy weight can improve your health.
Non-surgical obesity treatments focus on what you eat and how you move.
If it's right for you, doctors may also recommend surgery to help you lose weight.
Related services include:
Obesity is a medical condition.
The World Health Organization defines obesity as "abnormal or excessive fat accumulation that presents a risk to health."
A screening tool called the body mass index (BMI) is a "measure of body fat based on height and weight."
Your BMI is one way to tell if your weight is in a healthy range. If it's between 18 and 24, you're at a healthy weight. A higher BMI means you're overweight or obese.
Obesity in the U.S. is common.
More than 41% of all adults are obese.
The obesity rate is highest in Black (nearly 50%) and Latino (over 45%) adults.
In children and teens, the obesity rate continues to rise, putting them at risk for health problems.
Doctors use different terms to talk about a person's weight:
Childhood obesity affects about 1 in 5 children and teenagers in the U.S.
Obesity happens when you store more energy from food (calories) than you need.
It can occur if you:
You may be at higher risk for obesity if you gain weight because you:
Where you live and who you live with can also increase your risk of obesity.
You may gain weight if:
Obesity can make it harder to stay healthy.
If you have this health issue, you're more likely to have:
You can help prevent obesity by not eating more calories than you use on most days.
You can also:
Obesity is a medical condition, but it doesn't always cause symptoms.
If you have obesity, you may have fatty tissue throughout your body.
You may also store excess fat in your:
Fatty tissue secretes hormones that can affect your immune system.
If you have too much fat, you're also at greater risk of:
Back to topDoctors use screening tools to diagnose obesity. They also account for other health issues you have.
Your doctor uses your height and weight to compute your BMI. This number tells them how likely you are to have high body fat.
To find your BMI, your doctor measures your height and weight.
They enter your height and weight into a BMI chart to find your BMI.
Your BMI is just one tool they use to help diagnose medical obesity. But it doesn't tell them about your overall health.
Your doctor may measure the distance around your waist with a tape measure.
They record your waist size in inches. This tells them how likely you are to have excess belly fat.
Back to topUPMC obesity care providers offer a few treatment options, including medical treatment for obesity.
The goal of obesity treatment is to help you get to — and stay at — a healthy weight. Lifestyle changes and other treatments can help you have better health.
To lose weight, you must reduce the number of calories you eat and expend more energy than you consume
Your doctor will work with you to make changes to what you eat and drink to reduce calories.
They will help you eat healthier foods that help you feel full, such as:
Your obesity care provider helps you find ways to move your body. Routine exercise helps you burn calories.
You may:
Your doctor may prescribe medicines to help you lose weight if they're right for you. You can take them along with making lifestyle changes.
If lifestyle changes don't help, your doctor may suggest an intragastric balloon for weight loss.
They place a soft balloon down your throat and into your stomach. They fill the balloon with liquid (saline), making you feel full so you eat less.
If you need to lose more than 100 pounds, your doctor may suggest weight loss — or bariatric surgery.
Weight loss surgery may help improve other health problems. Talk to your doctor to see if it's right for you.
Back to topFrom UPMC HealthBeat:
By UPMC Editorial Staff. Last reviewed on 2024-03-28 by Donna Geraci, CRNP.
