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Doctor insights on: Bmi Obesity Chart

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Dr. Quang Nguyen
4,506 doctors shared insights

Obesity (Definition)

The definition started with Louis Israel Dublin, chief statistician of the Metropolitan life insurance company, in the early 1940s, as a BMI >25 (definitely >30) for people in their 20's based on retrospective observational life insurance data of the age at which people died later in life. This was subsequently adopted by the medical disease industry. However, BMI is ...Read more


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How many ways can measure obesity? Rather than BMI ?

How many ways can measure obesity? Rather than BMI ?

Several: Bmi is inaccurate if you're very muscular. An alternative would be waist to height ratio. This should be less than 0.5. Percentage body fat can also be measured. Also you can look at yourself in the mirror sideways. If your abdomen is sticking out beyond your chest you are either overweight or obese. ...Read more

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What percent of americans are obese with a BMI of over 25?

What percent of americans are obese with a BMI of over 25?

65% over BMI 25: 35% are overweight (bmi 25-30). An additional 30% are obese (bmi over 30). That means only 1/3 in the us are "normal" weight. Pretty staggering. ...Read more

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Im 19 female n obesed 85kg 5.2ft height am i in danger ?Have not any problem with heath right now?34.3 bmi

Im 19 female n obesed 85kg 5.2ft height am i in danger ?Have not any problem with heath right now?34.3 bmi

Some problems: The biggest problem now, might be injury to your knees and ankles. Your joints are not made to support the extra weight and they will be damaged over time. Other things that might happen in the near future, include high blood pressure and type ii diabetes. Most problems from being overweight happen over years. ...Read more

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Been obese since highschool. I'm for sure not a big eater,even smaller portion than a small-sized lady.But I still have BMI over 35.What's wrong?

Been obese since highschool. I'm for sure not a big eater,even smaller portion than a small-sized lady.But I still have BMI over 35.What's wrong?

Remember: The determinations of someone's overall weight is complicated. While part of the component is how much you are taking in caloric wise, the other part is based on how active you are physical but also how active you are metabolically. Some people have slower metabolisms than others, which means they have to be very careful about their intake and activity levels. ...Read more

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Hi, Does a 31.9 BMI mean one looks obese or is just medically obese. I'm a stocky build (5'8 and 207 lbs) and want to lose around 25 lbs. Thank you.

Waist circumference: Hi. Muscular people can have a higher BMI and no be obese because muscle is more dense than fat. Check your waist circumference. The farther below 40 inches it is, the less likely you are to suffer obesity related diseases. Of course the fact you take prednisone (are you chronically on it?), the more likely obesity and obesity related diseases. Weight loss is tough on prednisone. Good luck! ...Read more

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What health strategy would be appropriate for an obese individual with a BMI of 40?

Multi approach: Hi. The approach depends on what obesity-related diseases you have. Healthy lifestyle (healthy diet, regular exercise, don't smoke) in all cases. Drug therapy or bariatric surgery are very valid considerations. Obesity injures and kills. Good luck! ...Read more

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Can you please tell me why it'sso hard for obese people to lose and maintain lower bmi?

Habit: They're used to eating more and are Insulin resistant, so they have higher Insulin levels which stimulate further food intake. They're also sedentary and don't burn off calories, they also can be on medication which leads to even further weight gain. It's best to start lean and stay lean. ...Read more

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Btw I am obese. My BMI is 33. However i feel fatter even though my weight stayed the same. My waist has gotten bigger. Is this possible?

Btw I am obese. My BMI is 33. However i feel fatter even though my weight stayed the same. My waist has gotten bigger. Is this possible?

Yes: You are more likely to accumulate abdominal weight, which can increase your waist size. You need an aggressive program of diet and exercise as soon as possible. Check w/your doctor and a good registered dietitian. Programs like weight watchers can offer helpful support. ...Read more

Dr. Cornelius O'Leary Jr
543 doctors shared insights

Body Mass Index (Definition)

Body mass index (BMI) is a measurement based on a person's height and weight, to decide if a person is too heavy or too light for his height. The index is a number that can be in the underweight range, normal range, overweight range, or obese range. Children use different number ranges than adults do, ...Read more


Bmi (Definition)

Bmi or body mass index is how we define if a person is under or overweight. It is calculated my taking your height in meters and dividing it by your weight in kilograms squared. Or using a bmi calculator. A normal weight is a bmi between 18-25. Obese is a ...Read more