Why is it difficult to justify the use of a placebo control in a trial in which a "standard-of-care" therapy already exists? why is a placebo control easier to justify in trials in which there is no established "standard-of-care" therapy? should those participating in a clinical trial be notified of the possibility that they may be given a placebo?

answer:

i believe the answer is d).

explanation:

i think this is because you are tearing apart the muscle, and then when you eat, the muscle re-heals, making itself even stronger.

edit: i put b) before but i meant to put d). sorry for the incorrect answer.

answer:

im am not sure what you are asking. could you rephrase the question?

answer: 900

explanation: