Related to Diet & Weight Management
BMI Directory
A person's BMI, or body mass index, is based on height and weight. It's often used to determine if a person is underweight, normal weight, overweight, or obese. But BMI doesn't consider muscle mass. Follow the links below to find WebMD's comprehensive coverage about how BMI is calculated, what it means, how to measure it with our innovative BMI Plus Calculator tool, and much more.
Medical Reference
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What Is Body Mass Index?
Learn how to use body mass index (BMI) to determine whether you are overweight.
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Treatment of Obesity
Get the basics on obesity treatment.
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Prescription Weight Loss Drugs
Pros and cons of 4 prescription weight loss drugs.
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Obesity and When to Seek Help
WebMD explains obesity and how to take steps to lose weight.
Features
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Need to Lose Weight? Questions to Ask Your Doctor
When you're setting out to lose weight, your doctors can help. But they may not talk about it much until you bring it up. Use these questions to start the conversation.
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BMI, Waist Size, and Other Ways to See if You're Overweight
Read about BMI, waist size, and other measurements -- and why some fall short in gauging obesity.
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How Accurate Is Body Mass Index, or BMI?
Is BMI still the best way to measure fatness? Some experts aren't so sure.
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Jean's Story: Ice Hockey and a Healthy BMI
A woman's true story on weight loss success.