Allah (Himself) is Witness that there is no Allah save Him. And the angels and the men of learning (too are witness). Maintaining His creation in justice, there is no Allah save Him the Almighty, the Wise.
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.