They go by BMI, so it would be the third one - calculation using weight and height
C. Janine should increase the intensity or length of her exercise programs because it is more difficult to maintain high fitness levels as you age.
The answer is disabled or disability but I would go with disabled that would make the most sense.
Answer:
If you are living with family that smokes, chews, or does drugs you end up thinking that its normal and ok to do that same thing when you listen to music that sings/raps about doing that.