pushutayid,
it’s really quite pashut. google what’s the difference and you will get loads of articles. Doctors have been the shluchim of hashem to treat, cure and (in some cases) nearly eradicate many, many illnesses and diseases through the discovery of antibiotics and vaccinations. But lets not forget the 600,000 a year that are killed through sheer negligence in a hospital – the third biggest “killer” in america. ??? ???????? ??????.