12-year old Marcus Davis has always been a leader, and when his adorable cousin Chloe was born with Osteogenesis Imperfecta (Brittle-bone Disease), he didn't hesitate to become an advocate for her.

After speaking with his teacher, principal, and fellow students at Winchester Elementary in West Seneca, the school community was convinced to have an awareness day dedicated to O.I.

Here is the website for more information on Osteogenesis Imperfecta.