Good Health is something that everyone wishes to have. Sometimes we do not realize that our body may not be completely normal but just because we are functioning and able to do all that we wish to, we fail to think too much about it. But certain factors help us understand the physical health of our body. Body Mass index is one such measure. This index is an indicator of body wellness and lets a person know whether his body weight is normal, underweight or overweight.Body Mass Index or Body Mass Indicator is a diagnostic method which helps identify possible weight problems in adults. This index was developed by a Belgian statistician named Adolphe Quelet and was also known as the Quetelet index. This measure of body fatness can be used as a guideline but a physicians advice should also be taken before taking any extreme measure. Obesity can lead to a lot of health related ailments like diabetes, hypertension and other stress related illnesses if not tackled in time. This is just one of the risk assessment measures that should be taken.