Allah hath rewarded them for that their saying - Gardens underneath which rivers flow, wherein they will abide for ever. That is the reward of the good.
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.