They thought no harm would come of it, so they were wilfully blind and deaf. And afterward Allah turned (in mercy) toward them. Now (even after that) are many of them wilfully blind and deaf. Allah is Seer of what they do.
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.