Say: If Allah had so willed I should not have recited it to you nor would He have made it known to you. I dwelt among you a whole lifetime before it (came to me). Have ye then no sense?
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.