An autosomal recessive condition characterized by hypogonadism; spinocerebellar degeneration; MENTAL RETARDATION; retinitis pigmentosa; and obesity. This syndrome was previously referred to as Laurence-moon-Biedl syndrome until bardet-biedl syndrome was identified as a distinct entity. (From N Engl J Med. 1989 Oct 12;321(15):1002-9)