Body Mass Index (BMI)

Body Mass Index (BMI)

Body Mass Index (BMI)
Body Mass Index, or BMI is the customary method used to measure obesity. It's a calculation of your weight-to-height ratio and can provide insight into risk for diseases. It's been shown that for every five-point increase in BMI, your risk of death increases 31% and while BMI can't be used as a sole indicator for disease risk, it does help. It's one element of your wellness that helps you and your doctors manage your health.

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    A Fitness, answered on behalf of
    The BMI (Body Mass Index) is a mathematical formula that factors a person’s height and weight in determining obesity. It may be less accurate for athletes or older persons who have lost muscle mass.
    BMI, what does it mean?

    Weight               BMI
    Underweight       Below 18.5
    Normal              18.5 - 24.9
    Overweight         25.0 - 29.9
    Obesity             30.0 and Above

    You can use the tool below to calculate your BMI

    http://www.mayoclinic.com/health/bmi-calculator/NU00597
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    A , Cardiology (Cardiovascular Disease), answered
    BMI calculation

    Your body mass index, or BMI, is a calculation of your total body fat. Since high body fat is linked to serious diseases, your BMI can be used to assess your health. In this video, Dr. Oz talks about the health complications of a high BMI.


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    Before you attempt to calculate lean body mass, it is important to understand what it is. Lean body mass is comprised of the muscle, tendons, ligaments, bones, and organs in your body. Everything else is fat mass. In order to know how much lean body mass you contain, we need to know how much fat you contain since this an easy measurement to get though various body fat testing procedures. You can use skin fold calipers, bioelectrical impedance, or hydrostatic weighing (underwater weighing) to determine your body fat percentage. Skin fold and bioelectrical impedance measurements are generally easy to take yourself or have a trainer at your local gym take. Once you determine your body fat percentage, then it is just simple math to find the rest. Let’s say you are 150 pounds and 15% body fat. Multiply 150x.15 which equals 22.5. You have 22.5 pounds of fat on you. Then subtract the 22.5 from the original weight, 150-22.5. This equals 127.5. This tells you that at 150 pounds and 15% body fat, you have 127.5 pounds of lean body mass and 22.5 pounds of fat mass.
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    No, the body mass index (BMI) is just one indicator of possible health risks associated with being overweight or obese.  To assess your likelihood of being overweight or obese, the National Heart, Lung, and Blood Institute guidelines recommend looking at two other predictors:  the individual's waist circumference (because abdominal fat is a predictor of risk for obesity-related diseases) and other risk factors the individual has for diseases and conditions associated with obesity (for example, high blood pressure or physical inactivity). 
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    BMI is used internationally and the scale is the same for all.  However, this scale may not be as beneficial to some cultures depending on their lifestyles and nutritional habits.

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    Body mass index looks at two things height and weight.  Since we can not change your height we need to look at decreasing your weight!  So the real question is how do we decrease your weight to lower your BMI.  You need to burn more calories than you take in to create weight loss.  Aim for 30-60 minutes of activity most days of the week, reduce poor food choices (soda, candy etc) and drink plenty of water. This will be a great start to reducing your BMI. 
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    A , Internal Medicine, answered
    Dr. Robin Miller - chocolate consumption and higher body mass index

    Eating chocolate could be the key to a slimmer, trimmer you, according to a recent study. Before you head for the candy aisle, watch this video featuring Dr. Robin Miller to find out what kind of chocolate -- and how much -- to buy.


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    Body mass index is an easy assessment that can be performed in order to estimate disease risk.  However, this should not be used in place of annual physical exams and other health tests.
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    A Nutrition & Dietetics, answered on behalf of

    There a few methods that can be helpful in determining if your body weight is within a healthy range, including BMI measurements and measuring body fat & its location. Body mass index (BMI) is a calculation of weight in relationship to height and can be used to assess if weight increases health risks. It is not a direct measure of body fat and may be inaccurate for people who are muscular or who are frail due to illness.

    Body fat can be measured by skinfold thickness measurements using calipers and bioelectrical impedance. More costly measures include dual-energy X-ray absorptiometry (DXA), underwater weighing, and air displacement using a Bod Pod. These techniques all can be used to measure the percentage of body fat. Individuals with central obesity, who carry excess fat around the middle, have an increased risk of several chronic diseases, regardless of BMI.

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    Body mass index, often referred to as BMI, is a measurement designed to estimate a healthy body weight based on a person’s height. To find BMI, divide weight (in kilograms) by height (in meters squared). The result of this calculation will be the BMI. The risk of obesity-related diseases begins to increase if the BMI is 25 and becomes a severe risk if the BMI is greater than 35. BMI can be used to help track weight loss, but it does not differentiate between muscle and fat. In the beginning stages of a training program, an individual may simultaneously decrease body fat and add a small amount of muscle due to the new stress of exercise. If this were the case, the BMI would not change although the individual is decreasing overall body fat. A better tracking method for a weight loss program is to use skin fat calipers to get a true reading of body fat changes.