Tiffany has progeria, and Ryan was born with Arthrogryposis.
To save Loren's life after a catastrophic forklift accident, doctors had to cut him in half. Sofia was an active 29-year-old when her heart went into end-stage failure.
Lukas has Parry-Romberg Syndrome, causing half his face to shrink inward. Steffni's rare muscular dystrophy leaves her dependent on her mother.