Katherine (Kat) Wilder is an 8th grade student at Marshwood Middle School and has a rare form of juvenile arthritis diagnosed at age 3. Wilder is a very courageous and open advocate and activist, and has the mission of raising awareness. The disease is most often thought to affect the elderly. At age 13, choose to smile and have a positive attitude, despite feeling pain every day.
Video credits to Seacoastonline YouTube channel