Kathryn Marszalek, daughter of Josh and Laura Marszalek, is about to celebrate a very special birthday.
Marszalek is about to turn 10 years old next week. When she was only a few weeks old, she began showing symptoms of the disease, Alternating Hemiplegia of Childhood with a stiffening of the arm. Over the course of a few months, she would display an episode where her body would stiffen. That is when medical professionals discovered she had the rare, mutative disease, Alternating Hemiplegia of Childhood.