Allah confirmeth those who believe by a firm saying in the life of the world and in the Hereafter, and Allah sendeth wrong-doers astray. And Allah doeth what He will.
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.