A. A person is obese if he or she has an excess amount of body fat.
The reason for A and not B is because someone with a lot of muscles could weigh more based on their BMI, which doesn't differentiate between the weight from muscles vs. fat
The answer is ERECTILE DISFUNCTION, if you have erectile disfunction get some viagra.
I think it's one third, but I'm not entirely sure.
Hope I helped to some extent!