There needs to be more to profiling people than BMI (like chest-waist ratios, or waist-hip for women). I'm at 27 but work out every day and have a good amount of muscle mass (important going into 68th birthday). I saw first hand how my late wife (BMI 22) went quickly due to cancer cachexia. I guess I may be slightly more prone to disease, yet better able to weather the disease?