Obesity can be measured by:
Bioelectrical Impedance Analysis
Weighing and Dual Energy X-ray Absorptiometry.
Bioelectrical Impedance Analysis is typically the most practical and convenient method used by obesity specialist doctors called bariatricians.
The Body Mass Index (BMI) is a the index used by doctors and insurance companies to evaluate obesity. The BMI formula = weight in pounds / (height in inches x height in inches) x 703. The following classifications for BMI were recommended by the National Heart Lung and Blood Institute:
One of the most popular tools on the NIH’s National Heart, Lung, and Blood Institute (NHLBI) Web site is the BMI (Body Mass Index) calculator
You can get a free Iphone App BMI calculator
Waist-to-hip measurements: Gut divided by butt ratio is obtained by dividing the circumference of an individual’s waist by their hips. A healthy waist-to-hip ratio for women is no more than 0.8 and a healthy ratio for men is no more than 0.95.
The health consequences due to obesity including:
ASBP developed obesity medicine practice guidelines that outline four key interventions to treat obesity:
Like any other specialty in medicine, a general non specialist does not have the exposure to specific and advanced methods to address these four key factors.
A 2007-2008 data showed prevalence of obesity
Based on Body Mass Index greater than or equal to 25) were 68.0 percent overall:
Source: National Health and Nutrition Examination Survey (NHANES).http://www.cdc.gov/nchs/nhanes.html
The annual health cost of obesity is as high as $147 billion. (RTI and the Centers for Disease Control and Prevention)
To ensure the highest standard of medical practice, ASBP has developed Bariatric Practice Guidelines that outline four medical body fat reduction/weight loss methods: dietary modification, exercise prescription, behavior modification and when appropriate, medication.