The second patient was investigated by his G.P. at the age of 34 in 1952. He had been married for 14 vears with no children. A phvsical examination was normal, as was his sexual function. No abnormalities had been found when his wife was investigated in 1946. In 1968 he was referred from his G.P. with a three-week history of diarrhoea. Faecal fats were 22 g/dy, and jejunal biopsy showed subtotal villous atrophv. He was diagnosed as having coeliac disease and started on a gluten-free diet. In 1973 a repeat jejunal biopsy showed normal histology.