Being overweight or obese means your weight is above an ideal weight range. Excess weight creates an increase in the risk of serious diseases like heart disease, certain cancers, and diabetes.
One tool used to estimate weight range is called the body mass index (BMI). This scale determines weight ranges based on height. BMI levels in adults include:
- Ideal weight range: 18.5-24.9
- Overweight: 25-29.9
- Obese: 30 or above
- Morbid obesity: 40
Being overweight is caused by taking in more calories than we use. Calories are taken in through food. All activity in our bodies is fueled by calories. This includes physical activity and basic bodily functions. Excess weight gain occurs when this relationship is not kept in balance. If this imbalance happens regularly it will lead to obesity.
Factors that can influence the development of obesity include:
Complications of Excessive Weight Gain
Excessive weight gain has been linked to:
An increased risk of:
Decrease in quality of life associated with:
Being overweight can also affect pregnancy. Some complications include:
You may also experience problems during labor and deliver, have a baby with a high birth weight, or have a baby with malformations.
You will be asked about your symptoms and medical history. A physical exam will be done. Obesity is diagnosed by visual exam and body measurements using:
- Height and weight tables
- Body mass index
- Measuring body folds with a caliper
- Measuring waist circumference
- Water-displacement tests
Your bodily fluids may be tested. This can be done with blood tests.
Obesity is difficult to treat. Things that affect treatment are:
- Cultural factors
- Personal habits
You and your doctor will talk about the best treatment plan for you.
There are many different approaches to treating obesity based on lifestyle changes. You are more likely to successfully lose weight and keep it off by using a combination of strategies. These can include eating healthy, exercise, counseling, and/or medication. Plans for weight loss may include:
Your doctor may recommend that you spread your calorie intake throughout the day rather than getting it all in a few large meals. You may also need a special diet that will eliminate specific types of food.
Talk to your doctor or ask for a referral to a dietitian. A dietitian can help you develop a
that is best for you.
The key to weight loss is reducing the total number of calories that you eat. Following a specific kind of diet, like a low-carbohydrate diet, is not necessary. It is much more important to choose a low calorie diet that you can stick with long term.
A dietitian can help you with your total calorie intake goal. Calorie intake is based on your current weight and your weight loss goals.
Portion, or serving size, also plays an important role. Using special portion control plates may help you succeed.
Keep track of everything you eat and drink.
Ask your doctor about an exercise program. Even moderate-intensity exercise, like brisk walking, can help you lose weight.
There are many easy ways to add extra activity into your daily routine. Take stairs instead of elevators. Park your car a little further away. Limit the amount of time you spend watching television and using the computer and substitute it with activity.
Behavior therapy may help you understand:
- When you tend to overeat
- Why you tend to overeat
- How to combat overeating habits
When combined with diet and exercise, therapy can help you with your weight reduction.
Weight Loss Programs
Weight loss programs may work for some people. Some studies also suggest that a partner or group may help you improve your eating habits and fitness.
Weight loss medications may be prescribed. Medication alone is not enough to lose weight and keep it off. Some medications have serious side effects. There are also risks associated with over-the-counter and herbal products. Talk to your doctor before taking any of these.
makes the stomach smaller. In some cases, it will also rearrange the digestive tract. The smaller stomach can only hold a tiny portion of food at a time. Examples of procedures include:
These procedures may be a good option for people who are severely obese who are having trouble losing weight by other means.
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A non-surgical temporary balloon device has been approved to promote weight loss. The device is inserted into the stomach through the mouth. It occupies space in the stomach and triggers a feeling of fullness. The device is removed 6 months after insertion. Talk to your doctor for more information about this procedure.