 Treatments: 1 low glycemic index dietary advice e.g. to eat intact grain cereals, boiled green banana, boiled sweet potato, boiled round leaf yellow yams and boiled breadfruit 2 high cereal fiber diet. Background diets will be the subjects diabetic diets, modified as above, which will conform. Diet histories will be recorded at weekly for 24 weeks. These diets will be assessed for consistency by the dietitian in the subjects presence through dietary recall and semi-quantitative assessment of food portion sizes consumed. Where necessary, modifications in diet will be made to ensure weight maintenance. Compliance will be assessed by 7 day food records. 