what are types of obesity?
['Overweight (not obese), if BMI is 25.0 to 29.9.', 'Class 1 (low-risk) obesity, if BMI is 30.0 to 34.9.', 'Class 2 (moderate-risk) obesity, if BMI is 35.0 to 39.9.', 'Class 3 (high-risk) obesity, if BMI is equal to or greater than 40.0.']