次の英文の日本語訳がわかりません。誰か教えてください。お願いします。
(1)Because of the medical care, the experiment ended up being a failure.
(2)Because the experiment was dangerous, medical staff appeared at the end of the experiment to help the subjects.
(3)Despite the careful treatment, some people fell unconscious at the end of the first part of the experiment.
(4)Despite the nature of the experiment, some people underwent medical care at the end of the experiment.