Say (unto them, O Muhammad): Allah sufficeth for witness between me and you. He knoweth whatsoever is in the heavens and the earth. And those who believe in vanity and disbelieve in Allah, they it is who are the losers.
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.