NETA Personal Trainer Exam 2026 – 400 Free Practice Questions to Pass the Exam

The classification of BMI (Body Mass Index) categories helps in assessing the risk of health-related issues associated with body weight. A BMI of 40 and above is categorized as 'very high' risk for disease because it indicates severe obesity, which is linked to a higher likelihood of developing a range of serious health conditions, such as type 2 diabetes, cardiovascular diseases, and certain types of cancer.

Individuals within this BMI range often face more significant health challenges than those in lower BMI categories. This classification is supported by numerous studies that demonstrate a clear correlation between higher BMI levels and increased morbidity and mortality rates. Recognizing this, health professionals use the BMI scale not just as a measure of weight but as a tool for evaluating potential health risks, enabling early interventions and lifestyle modifications to improve health outcomes.

In contrast, lower BMI ranges, such as 25.0-29.9 (considered overweight), 30.0-34.9 (obesity class I), and 35.0-39.9 (obesity class II), although they do suggest increasing levels of health risk, do not reach the 'very high' risk designation attributed to a BMI of 40 or higher.