The most common incidents -- the slam of a door, a car backfiring, a surprise tap on the shoulder -- can cause a panic reaction.

CNN: After tragedy, brain needs to heal

The slam of the front door, the heavy thunk of books and a tinkle of keys hitting the dining room table.

NPR: Excerpt: 'The Garden Angel'

This race is a chance for me to accomplish two things at once: to slam the door shut on a difficult chapter in my life while simultaneously supporting one of the people who made it possible by raising money for the Chris Klug Foundation, which does a tremendous job of raising awareness regarding organ donation.

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