Studying the Effect of Gluten Free Diet Alone Versus Combination of Gluten Free Diet With Either Carbohydrate Count or Dietary Approach to Reduce Hypertension Diet on Their Glycemic Control, Growth Rate and Quality of Life Among Children With Type 1 Diabetes Mellitus and Celiac Disease

the main objective of this study to compare the effects of three diets: carbohydrate count with gluten-free diet, DASH and carbohydrate count with gluten-free diet, and gluten-free diet alone on glycemic control, growth rate, and the quality of life of 45 individual patients diagnosed with diabetes and celiac disease, who are receiving care in Prince Hamzah Hospital, and aged between 6-18 years, will be enrolled in this study. the duration of the follow-up will be up to ( 9 months); starting from the first interview and enrollment till reaching 9 months from the intervention. all the biochemical tests that are routinely measured will be recorded for each patients during the follow-up duration. these biochemical tests will be, mainly hemoglobin A1C, serum glucose, tissue-trans glutamines IgA( TTG IgA), vitamin D, calcium, phosphorus, and acute intermittent porphyria ( AIP) and will be recorded at baseline, after 6 months and at the end of the study (12 months). growth rate, and quality of life will be also assessed at based line, after 6 months and at the end of the study.