Connie Bennett, C.H.H.C. with Stephen T. Sinatra, M.D.
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 BMI of 25 to 29.9; "obese" if your bmi is 30 or more, and "morbidly obese" if your bmi is greater than 40 or you're at least 100 pounds overweight. To learn your bmi, visit the CDC's website at www.cdc.gov/ nccdphp/dnpa/bmi/calc-bmi.htm.
Ph.D., chief of the behavioral surveillance branch at the Centers for Disease Control and Prevention (CDC) in Atlanta, Georgia. (By contrast, 435,000 people died from tobacco-related diseases. |
| BMI—Body Mass Index—About bmi for Adults." http://www.cdc
.gov/nccdphp/dnpa/bmi/adult_BMI/abou t_adult_BMI.htm. -. Most updated National Center for Health Statistics 2003-2004 National Health and
Nutrition Examination Study (NHANES). http://www.cdc.gov/nchs/pressroom/06facts/obesity
03_04.htm.
-. "Prevalence of Overweight and Obesity Among Adults: United States, 2003-2004." http://www.cdc.gov/nchs/products/pubs/pubd/hestats/obese03_04/overwght_adult_03.htm. Center for Science in the Public Interest. |
| BMI is 30 or more, and "morbidly obese" if your bmi is greater than 40 or you're at least 100 pounds overweight. To learn your bmi, visit the CDC's website at www.cdc.gov/ nccdphp/dnpa/bmi/calc-bmi.htm.
Ph.D., chief of the behavioral surveillance branch at the Centers for Disease Control and Prevention (CDC) in Atlanta, Georgia. (By contrast, 435,000 people died from tobacco-related diseases.)
In short, as a group of 10 respected scientists warned in the prestigious New England Journal of Medicine in March 2005, "Obesity has been shown to have a substantial effect on longevity. |
Wendy Bazilian, DRPH, MA, RD, Steven Pratt, MD, Kathy Matthews
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 The downside of bmi, which has been reported recently, is that it may overestimate body fat if you're an athlete or if you're very muscular and it may underestimate body fat if you're older and have lost muscle mass. It is important to remember that although bmi correlates with the amount of body fat, bmi does not directly measure body fat. Even though bmi is not considered the gold standard assessment tool that it once was, many doctors and medical tests still use it to assess weight and so I'm providing a table so you can see where you might fit in. |
Jack Challem
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 If your bmi is higher than 25, you are overweight. If your bmi is higher than 30, you are obese. only your weight (using an accurate bathroom scale) and your height. bmi estimates are generally accurate, except for body builders or serious athletes, in which case muscle, not fat, accounts for the excess weight.
Your Body Proportions and Diabetes Risk
Although the bmi gives you a general idea of whether your weight is normal, we've found that body proportions often serve as a better guide to determining whether you might be prediabetic. |
Michael T. Murray
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 BMI generally correlates quite well to a person's total body fat. Your bmi can be calculated as follows:
1. bmi = kg/m2 (kg = kilograms; m = height in meters) or
2. bmi = (lbs X 703)/in2 (lbs = pounds; in = height in inches)
Now calculate your bmi and consult Table 10.2 to see how you are classified.
Table 10.2. Classification of Body Mass Index
Underweight
< 18.5
Normal
18.5-24.9
Overweight
24.9-29.9
Obesity
30.0-39.9
Extreme obesity
>40. |
Craig Pepin-Donat
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 There is a formula used to determine your bmi, but if you are like me and you don't want to do the math, you can use the bmi chart I have provided. To use the table, find your height in the left-hand column and your corresponding weight in the row to the right and locate the bmi level associated with this combination. Pounds have been rounded off to the nearest whole number.5
Once you see where you stand on the bmi chart, I recommend that you file that information away and use the simplest method available to determine if you are overweight or not. |
Michael T. Murray and Michael R. Lyon
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 BMI of 30 or greater. A bmi of 40 or greater is referred to as morbid obesity and is associated with extreme health risks. To put the bmi in perspective: A 5'4" woman with a bmi of 30 is about 30 pounds above her ideal body weight. So, obesity is not a matter of simply being a few pounds overweight. It reflects a significant amount of excess fat.
There is one more calculation that is important for determining overall health: your waist size. |
| Nonetheless, a simple measure known as the body mass index (BMI) is now the accepted standard for classifying individuals with regard to their body composition. bmi generally correlates well to a person's total body fat. The bmi is calculated by dividing a person's weight in kilograms by height squared in meters. The mathematical formula is "kg/m2." Now, we know that you are not likely to calculate your bmi, so here is a simple table to use. Find your height in the left-hand column. Move across the row to the your weight. |
Wendy Bazilian, DRPH, MA, RD, Steven Pratt, MD, Kathy Matthews
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| Obese: bmi 30 or higher refers to obesity. Obese persons are also considered overweight.
BMI. Body Mass Index is an indicator of body fat based on your height and weight. bmi has been used for years as a good guide because it takes into account your frame size. The downside of bmi, which has been reported recently, is that it may overestimate body fat if you're an athlete or if you're very muscular and it may underestimate body fat if you're older and have lost muscle mass. |
Craig Pepin-Donat
See book keywords and concepts |
| There is a formula used to determine your bmi, but if you are like me and you don't want to do the math, you can use the bmi chart I have provided. To use the table, find your height in the left-hand column and your corresponding weight in the row to the right and locate the bmi level associated with this combination. Pounds have been rounded off to the nearest whole number.5
Once you see where you stand on the bmi chart, I recommend that you file that information away and use the simplest method available to determine if you are overweight or not. |
Alan R. Gaby, M.D., Jonathan V. Wright, M.D., Forrest Batz, Pharm.D. Rick Chester, RPh., N.D., DipLAc. George Constantine, R.Ph., Ph.D. Linnea D. Thompson, Pharm.D., N.D.
See book keywords and concepts |
 The bmi is calculated by dividing your body weight (in kilograms) by the square of your height (in meters). (A kilogram is equal to 2.2 pounds; a meter is equal to about 39 inches.) According to the standard set in 1990 by the Institute of Medicine (IOM) of the National Academy of Sciences,15 a woman with a low bmi (less than 19.8) should gain a total of 12.5-18 kg (27.5-39.7 pounds) during pregnancy; a woman with a normal bmi (19.8-26) should gain a total of 11.5-16 kg (25.4—35.3 pounds) during pregnancy; a woman with a high bmi (greater than 26.0—29.0) should gain a total of 7-11.5 kg (15. |
Jack Challem
See book keywords and concepts |
| If your bmi is higher than 30, you are obese. only your weight (using an accurate bathroom scale) and your height. bmi estimates are generally accurate, except for body builders or serious athletes, in which case muscle, not fat, accounts for the excess weight.
Your Body Proportions and Diabetes Risk
Although the bmi gives you a general idea of whether your weight is normal, we've found that body proportions often serve as a better guide to determining whether you might be prediabetic.
To explain, some people tend to gain weight in the buttocks, while others gain it around the belly. |
Brenda Davis and Tom Barnard
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 Risk for diabetes in these women, based on their bmi, was compared to those with a bmi of less than 22. The results were astonishing (see table 4.2 below).
I
PI
BMI Increase in Risk of Type 2 Diabetes
Risk of type 2 diabetes in women relative to those with BMIs of less than 22 bmi RISK
25-26.9
8.1 times higher
27-28.9
5.8 times higher
29-30.9
27.6 times higher
31-32.9
40.3 times higher
33-34.9
54.0 times higher
35+
93.2 times higher from Colditz, G. A., et al.
In addition to weight, the distribution of body fat plays an important role in predicting your risk of diabetes. |
T. Colin Campbell, Ph.D. and Thomas M. Campbell II
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 By most official standards, being overweight is having a bmi above twenty-five, and being obese is having a bmi over thirty. The same scale is used for both men and women. You can determine your own bmi using Chart 6.1, which lists the necessary information in pounds and inches for your convenience.
135
CHART 6.1: BODY MASS INDEX TABLE
Normal
Overweight
Obese
BMI (kg/m)
19
20
21
22
23
24
25
26
27
28
29
30
35
40
Height (in.)
Weight (lb. |
Brenda Davis and Tom Barnard
See book keywords and concepts |
| BMI 25-29.9: indicates overweight bmi more than 30: indicates obesity
Note: Overweight is also defined as 10% above healthy weight and obesity as 20% above healthy weight.
BMI has limited value for some people. For example, it does not factor in muscle mass, so very muscular people will have a high bmi, but low body fat. In addition, very short people (less than 5 feet) may have higher BMIs than would be expected relative to their size. There is also far greater variability in healthful body weights than what we once thought. |
The Editors of FC&A
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| If your bmi is 25 to 29.9, you are slightly overweight - which carries some health risk. But if your bmi is 30 or over, talk to your doctor about weight loss programs since you are considered obese.
Obesity increases your risk of many chronic diseases - like diabetes, cancer, and stroke — and it's uncomfortable to live with. The good news is that losing just a few pounds can dramatically reduce these risks, and put you in a healthier bmi bracket.
Gain as you grey. Researchers at the Yale University School of Medicine believe seniors should live by a slightly different set of bmi guidelines. |
Mike Adams
See book keywords and concepts |
 To calculate your bmi, divide your weight in kilograms by your height squared. A bmi that is below 18.5 means that you are underweight, 18.5 to 24.9 is normal, 25 to 29.9 means that you are overweight and anyone with a bmi equal to or over 30 is classified as obese. If this much math gives you a headache, you can find an online bmi calculator through the Centers for Disease Control (www.cdc.gov).
If you're overweight or obese, you are by no means alone. |
Tori Hudson, N.D.
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 The Nurses' Health Study found that women with a bmi of 29 or more had triple the risk of coronary artery disease compared with women who were lean and with a bmi of less than 21.10 Women with a bmi of 25 to 28.9 had almost double the risk. As many as one-third of white women and one-half of black women are 20 percent or more over rheir desirable body weight. |
Dr. Steven R. Gundry
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 In general I advise clinically obese people, meaning those with a body mass index (BMI) of 30 or more, to continue to avoid fruit and grains until they reach a bmi of 29, putting them in the overweight category. To find out how to calculate your bmi, visit www.drgundry.com. ţDo you have diabetes or the metabolic syndrome? / advise my patients with these conditions to stay the course until their sugars and blood insulin levels normalize. Sometimes this happens in as little as six weeks. |
Mike Adams
See book keywords and concepts |
| To calculate your bmi, divide your weight in kilograms by your height squared. A bmi that is below 18.5 means that you are underweight, 18.5 to 24.9 is normal, 25 to 29.9 means that you are overweight and anyone with a bmi equal to or over 30 is classified as obese. If this much math gives you a headache, you can find an online bmi calculator through the Centers for Disease Control (www.cdc.gov).
If you're overweight or obese, you are by no means alone. |
Michael T. Murray
See book keywords and concepts |
| Your bmi can be calculated as follows:
1. bmi = kg/m2 (kg = kilograms; m = height in meters) or
2. bmi = (lbs X 703)/in2 (lbs = pounds; in = height in inches)
Now calculate your bmi and consult Table 10.2 to see how you are classified.
Table 10.2. Classification of Body Mass Index
Underweight
< 18.5
Normal
18.5-24.9
Overweight
24.9-29.9
Obesity
30.0-39.9
Extreme obesity
>40. |
Phyllis A. Balch, CNC
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 Basically, according to this index, a bmi from 19 to 24.9 is considered healthy; from 25 to 29.9, overweight; and from 30 upward, obese. Generally, the higher your bmi, the greater your risk of developing other obesity-related problems. However, bmi does not tell the entire story. In addition to the bmi number, excessive abdominal body fat can pose a health risk. Men with a waist size greater than 40 inches, or women with a waist size of 35 inches or more, are more at risk.
Americans are eating less fat, but are getting fatter. |
The Editors of FC&A
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| If your bmi is below 18.5 you are considered underweight. If your bmi is 25 to 29.9, you are slightly overweight - which carries some health risk. But if your bmi is 30 or over, talk to your doctor about weight loss programs since you are considered obese.
Obesity increases your risk of many chronic diseases - like diabetes, cancer, and stroke — and it's uncomfortable to live with. The good news is that losing just a few pounds can dramatically reduce these risks, and put you in a healthier bmi bracket.
Gain as you grey. |
Craig Pepin-Donat
See book keywords and concepts |
| The inherent flaws with the bmi guidelines are outlined in the Clinical Guidelines on the Identification, Evaluation, and Treatment of Overweight and Obesity in Adults published by The National Institutes of Health, which states that the bmi guidelines may not be accurate when there is a presence of edema (accumulation of fluid in the tissues), high muscularity, muscle wasting or for very short people. If you are pregnant or lactating, the bmi standards do not apply at all. |
Tori Hudson, N.D.
See book keywords and concepts |
| The Nurses' Health Study found that women with a bmi of 29 or more had triple the risk of coronary artery disease compared with women who were lean and with a bmi of less than 21.10 Women with a bmi of 25 to 28.9 had almost double the risk. As many as one-third of white women and one-half of black women are 20 percent or more over rheir desirable body weight. |
| An initial physical examination followed by ongoing exams is essential in assessing the mother's body mass index (BMI) and appropriate weight gain and fetal growth. bmi relates weight to height and thus provides a better estimate of body fat distribution than weight alone. The practitioner uses the bmi to determine whether the mother is underweight, normal weight, overweight, or obese. Weight is a very important indicator of fetal health and requires precise and regular measurement. |
T. Colin Campbell, Ph.D. and Thomas M. Campbell II
See book keywords and concepts |
| By most official standards, being overweight is having a bmi above twenty-five, and being obese is having a bmi over thirty. The same scale is used for both men and women. You can determine your own bmi using Chart 6.1, which lists the necessary information in pounds and inches for your convenience.
135
CHART 6.1: BODY MASS INDEX TABLE
Normal
Overweight
Obese
BMI (kg/m)
19
20
21
22
23
24
25
26
27
28
29
30
35
40
Height (in.)
Weight (lb. |
Kelly Brownell and Katherine Battle Horgen
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 To place these bmi numbers in perspective, a 5'5" woman weighing 180 pounds would have a bmi of 30; her bmi would be 40 if she weighed 240 pounds. A 6' man weighing 220 pounds would have a bmi of 30, and at 295 pounds would have a bmi of 40.
As science marches ahead and methods for studying disease become more sophisticated, the news about weight and health grows even worse. |
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