It's almost surprising how many med students / medical professionals i've heard of who stutter. This woman is probably the best example I know. Here's one article she wrote: http://www.washingtonpost.com/national/health-science/for-people-with-disabilities-doctors-are-not-always-healers/2014/10/24/afb632e6-45a0-11e4-b437-1a7368204804_story.html