Say: Have ye considered what provision Allah hath sent down for you, how ye have made of it lawful and unlawful? Hath Allah permitted you, or do ye invent a lie concerning Allah?
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.