Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Gauge pressure (also spelled gage pressure) is the pressure relative to the local atmospheric or ambient pressure. Various units are used to express pressure.
A BMI of 25 to 29.9 indicates a person is overweight. A person with a BMI of 30 or higher is considered obese. Like the weight-to-height table, BMI does not show the difference between excess fat and muscle. BMI, however, is closely associated with measures of body fat. It also predicts the development of health problems related to excess weight.
It labels BMIs of 25.00 to less than 30.00 as overweight/pre-obese, and those with BMIs of 30.00 or higher are considered obese. An average of 62.8% of all American adults were overweight or obese in the first half of 2012 -- 36.3% were overweight and 26.2% were obese, about on par with 2011.Residents of Southern and Midwestern states are the most likely in the country to be overweight or obese so far in 2012.ASHINGTON, D.C. -- Nearly seven in 10 adults in West Virginia, Mississippi, and Kentucky are either overweight or obese -- more than in any other state in the first half of 2012.