As a little boy, Liam seemed to feel sick very frequently – far more than his two older brothers.  He’d have a harder time recovering from illness, being sluggish, tired and missing many days from school. Mary, Liam’s mother’s concern started to grow as the pediatrician visits got more and more frequent. For years, she was told the same things – it’s probably allergies, or just a viral infection. But those answers weren’t good enough for Mary. She took him to gastroenterologists, immunologists, requested blood work and more, searching for answers. It would take nearly a decade to finally get an answer, when Liam was 14.