What is Hypertrichosis brachydactyly obesity and mental retardation?
• Hypertrichosis brachydactyly obesity and mental retardation: A very rare disorder characterized mainly by excessive hair growth, short digits, obesity and mental retardation. Ophanet, a consortium of European partners, currently defines a condition rare when it affects 1 person per 2,000. They list Hypertrichosis brachydactyly obesity and mental retardation as a “rare disease”.