Two weeks ago we began to explore the question of whether kohanim may become doctors according to halakhah.   We noted that three halakhic arguments could be advanced to question the applicability of this prohibition to the case at hand: (1) Kohanim nowadays are only presumed (hazakha) to be kohanim and might only have the status of doubtful (safek) kohanim; (2) If we are all presumed to be tamei nowadays, then, according to Ra’avad, kohanim do not violate a Biblical prohibition by becoming tamei again by a corpse; (3) According to Yereim, it is not a violation for kohanim to