Well, maybe they can be. In order to keep he/she safe.
I will try to give you the best answer by completing your statement.
During a marathon, approximately 99% of your muscles needs are met by the OES or Oxygen Energy System. Energy systems are the ones encharge of distributing the energy you need for a certain act.
I think the answer is C. Heightened reasoning abilities because when under the use of drugs one of the first things to go is your reasoning, and judgement.
