In fairness to the medical community, diagnosing illness and disease can be very tricky and people's reactions to treatment is an unknown variable. I think the obvious answer is robot doctors
Medical errors third-leading cause of death in America (cnbc.com)
Study Suggests Medical Errors Now Third Leading Cause of Death in the U.S. - 05/03/2016 (hopkinsmedicine.org)
Medical Error Statistics [2020]: Deaths/Year & Malpractice Rates (mymedicalscore.com)
Absolutely no reason to question them. Only an idiot would do that. I remember when my mom was in a coma due to her doctor prescribing the wrong shit. Thankfully she made it