Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Overweight and Obesity ?
    ### Response:
    Espaol
                
The terms "overweight" and "obesity" refer to body weight thats greater than what is considered healthy for a certain height.
                
The most useful measure of overweight and obesity is body mass index (BMI). BMI is calculated from your height and weight.
    