Lo! among you there is he who loitereth; and if disaster overtook you, he would say: Allah hath been gracious unto me since I was not present with them.
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.