Those who believe in Allah and the Last Day ask no leave of thee lest they should strive with their wealth and their lives. Allah is Aware of those who keep their duty (unto Him).
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.