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Obesity Directory
A person is considered obese when his or her weight is 20% or more above normal weight or his or her body mass index (BMI) is over 30. "Morbid obesity" means that a person is more than 100 pounds over normal weight or has a BMI of 40 or higher. Follow the links below to find WebMD's comprehensive coverage about obesity, its causes, treatment, and much more.
Medical Reference
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Health Risks of Obesity
Being overweight or obese puts you at risk for many serious health conditions, including diabetes, sleep apnea, and even cancer. Learn more from WebMD about diseases you can prevent by losing weight.
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What Your Doctor Really Wants You to Know About Weight Loss
Your doctor said it’s time to lose weight, but you’ve still got questions. Here are answers.
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How to Prevent Childhood Obesity
WebMD offers tips to keep your child from becoming overweight.
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Asthma and Diet
WebMD explores the connection between diet and asthma.
Features
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Am I Obese? How Experts Define What Obesity Is
Do you know the difference between being overweight and being obese or morbidly obese? Find out what obesity definitions mean, what causes obesity, and how it's treated.
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Weight Loss Stories: How 6 People Shed the Pounds
When you're working on weight loss, it can help to have a little inspiration. Here, six people share their secrets on how they lost the pounds.
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12 Tips to Lose the Weight for Good
Feel like you’ve tried every diet trick in the book? Here are 12 new weight-loss strategies to try.
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Lose Weight and Lower Your Blood Pressure
Learn how losing even a little weight can help your blood pressure.
Video
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Why Do We Gain Weight?
So what’s to blame for those extra pounds? Is it genetics or your poor diet?
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How Excess Weight Can Stress Your Body
Jonathan Sackner Bernstein, MD, explains how excess weight can stress your body.
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The Importance of Diet and Exercise in Reducing Obesity
Being overweight is a risk factor for diabetes, heart disease, and maybe even cancer. Learn how weight affects your body.
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When Being Overweight Becomes a Health Problem
Jonathan Sackner Bernstein, MD, talks about when being overweight becomes a health problem.
Slideshows & Images
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Surprising Reasons You're Gaining Weight
What are some possible causes of sudden weight gain, when there are no changes in diet or exercise? Learn about the effects of certain medications, some medical conditions, sleep issues, and more.
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17 Tips to Lose 100 Pounds or More
These lifestyle changes -- suggested by experts and real people who've lost the weight -- can help you stay on the path toward a healthier body and a happier you.
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Can't Wait for the Future? Try These Weight Loss Tips Now
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Surprising Things That Hurt Your Liver
Alcohol and acetaminophen are well-known liver dangers, but what else can be harmful? Some of them may surprise you.
Quizzes
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Test Your Nutrition IQ
Take this quiz to find out how much you know about dietary guidelines.
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Fat Facts Quiz
Test your diet IQ with this quiz about different types of fat and fats.
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Best & Worst Foods for Belly Fat
Do you know which foods are best and worst for belly fat? Test your knowledge with this quiz, and learn how to eat for a slimmer waistline.