0_Apprentice
I have a friend who is suffering from obesity, do you know what that is? 
1_Wizard
I do Obesity is a medical condition in which excess body fat  ccumlate
0_Apprentice
Ohh okay I see, is there anyway to reduce that excess body fat? 
1_Wizard
i have heard People are generally considered obese when their body mass index (BMI), a measurement obtained by dividing a person's weight by the square of the person's height,
0_Apprentice
Okay I see, that is interesting to note, I am not sure what her BMI is, but she told me she has been diagnosed with obesity.  Can you tell me more about it? 
1_Wizard
you should know Obesity increases the likelihood of various diseases and conditions,