How is severely obese defined?

Severe obesity is defined by a classification that commonly considers a Body Mass Index (BMI) of 40 or higher, or being 100 pounds or more over one's ideal body weight, which aligns with the definition given in the second choice. This classification helps differentiate between various degrees of obesity and is significant as severe obesity can lead to numerous health risks, including diabetes, heart disease, and other serious medical conditions. Identifying severe obesity correctly is crucial for addressing health care needs and developing appropriate intervention strategies.

The other options relate to different contexts of weight and health, such as the percentage over ideal weight for the first option, which does not meet the medical standards typically used, and considerations of body image or less significant weight categories, which do not accurately reflect the severity of obesity as recognized in clinical assessments.