Scoliosis even when untreated, with mortality rates similar to the general population. Older beliefs that untreated idiopathic scoliosis necessarily progresses into severe (cardiopulmonary) disability by old age have been refuted by later studies. The many causes of scoliosis include spinal deformities, neuromuscular problems, and inherited diseases or conditions caused by the environment. An estimated 65% of scoliosis cases are idiopathic, about 15% are congenital, and about 10% are secondary to a neuromuscular disease. Idiopathic scoliosis represents a majority of cases, but its causes are largely unknown. Recent studies indicate potential heritability of the disorder. About 38% of variance in scoliosis risk
Sound Affects was vindicated when "Start!" topped the British singles charts in its third week after entering at number 3. "Pretty Green" includes a funk bassline and rhythm with melodic guitar breaks and psychedelic sound effects. "That's Entertainment" is an acoustic ballad. "Boy About Town" and "Dream Time" include horns. In 2006, "Q" magazine placed the album at No. 15 in its list of "40 Best Albums of the '80s". NME ranked the album No. 487 on their list of 500 Greatest Albums of All Time. "Sound Affects" spent 19 weeks on the UK album charts, rising to No. 2 in late