Mucopolysaccharidosis I (MPS I) is a rare inherited genetic disorder caused by a deficiency of an enzyme, α-L-iduronidase, leading to a buildup of a waste product called glycosaminoglycans (GAGs). Kali, a 23-year-old living with MPS I, will give you an inside look at MPS I Disease, her diagnostic journey and how she has handled some the daily struggles she has faced since she was diagnosed at age 11.