Obesity is a condition in which the body mass index (BMI) of a person is _____ .

• A. 18 or lower
• B. 30 or higher
• C. at least 50
• D. 20 to 25

Answer: (B)

Verified step by step guidance

1. Understand the concept of Body Mass Index (BMI), which is a measure of body fat based on height and weight that applies to adult men and women.
2. Recognize that BMI is calculated using the formula: \( \text{BMI} = \frac{\text{weight in kilograms}}{(\text{height in meters})^2} \).
3. Learn the BMI categories: underweight (less than 18.5), normal weight (18.5 to 24.9), overweight (25 to 29.9), and obesity (30 or higher).
4. Identify that obesity is defined as having a BMI of 30 or higher, which indicates a higher amount of body fat that may lead to health risks.
5. Review the options provided and select the one that correctly matches the definition of obesity, which is a BMI of 30 or higher.