Claire Wineland has spent her 21 years battling cystic fibrosis — spending thousands of hours in hospitals, undergoing multiple surgeries and coming back to life after being pronounced dead. Despite this, she has become a beacon of light to millions, inspiring the world to find purpose in the face of adversity. In her own words, Claire shares her brave journey of facing unimaginable circumstances at a young age and how she became an advocate and activist for those living with a terminal illness.