National Scleroderma Awareness Month is observed in June and sponsored by the Scleroderma Foundation. “Sclero” means “hard” and “derma” means “skin”. But hardening skin is just one of many symptoms scleroderma sufferers experience. Stiff joints, digestive issues, lung scarring, and kidney failure can all be part of scleroderma. National Scleroderma Awareness Month highlights that scleroderma is an…