What is obesity?
Overweight and obesity are defined as abnormal or excessive fat accumulation that presents a risk to health.

What is BMI?
BMI stands for body mass index.
BMI= weight (kg)/height squared (m2)
A body mass index of over 25 is considered overweight and over 30 is obese. It should be noted that BMI is part of a group on measurements that should be used to measure the degree of body fat.