They make it a favour unto thee (Muhammad) that they have surrendered (unto Him). Say: Deem not your Surrender a favour unto me; but Allah doth confer a favour on you, inasmuch as He hath led you to the Faith, if ye are earnest.
Times are computed by method; your mosque's timetable governs the adhan. Every text carries its source and grade. Nothing here is a fatwa, a prediction, or a substitute for a doctor: your own scholar decides what is contested, and the tradition itself says the practice is alongside treatment, never instead of it.