Over twenty years ago, three words changed everything for the Tullio Family: Duchenne Muscular Dystrophy. Duchenne Muscular Dystrophy (DMD) is a rare genetic disorder that causes progressive muscle weakness. It primarily affects boys and is caused by mutations in the gene that produces dystrophin — a protein essential for muscle health. Grayson Tullio is proof that hope, research, and community can move mountains. Join us in the fight!