The reclassification this summer by the American Medical Association of obesity as “a disease state” effectively declared that one-third of all Americans has a medical condition requiring treatment.

Obesity is broadly defined as having a body mass index (BMI) of 30 or higher. However, there are different types of obesity classified by their severity. Although the term "morbid obesity" was used in ...

The obesity grading system involves dividing obesity into three main groups. It uses your body mass index (BMI), which is a ratio of weight to height, to categorize your level of obesity. Doctors ...

Having class 3 (severe) obesity may shorten your life span by up to 14 years. If you have severe obesity, reducing your weight can improve your life expectancy. Obesity is a common health condition in ...

An international research group has examined how many people are affected by preclinical and clinical obesity and what health ...