Commentary by Caroline Wellbery, M.D., Associate Professor of Family Medicine, Georgetown University Medical Center; Associate Deputy Editor, American Family Physician Medical uncertainty is all around us AIn medicine we are quite often confronted with 'not knowing, with 'choices,A with 'multifactorial etiologies, and 'inconclusiveness, to name just a few of the states to whichA we can apply the term 'medical uncertainty.A Although nothing new, the idea of medical uncertainty might recently have