Osteogenesis Imperfecta (OI) is also known as brittle bone disease. It is a rare inherited condition that weakens the body’s capacity to form sturdy, healthy bones. People with Osteogenesis Imperfecta have bones that break easily, often with little or no apparent reason. This condition affects the skeletal framework, teeth, hearing, and overall growth. In this post, we’ll break down what OI is, its symptoms, and how it’s diagnosed and treated.