What is obesity?

Obesity leads to many serious health problems and, unfortunately, is a disease that can shorten life expectancy. For the classification of obesity and body fat, many parameters are used. But for the moment, the identification and classification of obesity, the World Health Organization's (WHO) body mass index (BMI) calculations are being used a common language in the world. Everyone can calculate his/her BMI with a simple operation. Individuals with BMI over 30 is considered as obese.