article_snippet.sent: (CNN)The cracker or the bite of ice cream -- Brynn Duncan still isn't sure which one sent Brynn Duncan into anaphylactic shock that day.
article_snippet.sent: Brynn Duncan food allergies change so frequently, keeping track is almost pointless.
article_snippet.sent: Fruit, vegetables, milk, soy, nuts, smoke, perfume, the sun -- you name it, Brynn is allergic to it.
highlights_snippet.sent: Brynn Duncan has mast cell disease, which causes Brynn Duncan to be allergic to almost everything .
  
highlights_snippet.sent: Brynn Duncan has a feeding tube and is on constant doses of antihistamine .