0_Apprentice
I'm overweight and need some weight loss
1_Wizard
Weight loss, in the context of medicine, health, or physical fitness, refers to a reduction of the total body mass, 
0_Apprentice
So what do I need to do?
1_Wizard
You need physical fitness,  and regular exercise ,also diet control program
0_Apprentice
Sure ,anything else?
1_Wizard
Regular Physical exercise is any bodily activity that enhances or maintains physical fitness and overall health.