title: Problems of diet in old age.
mesh_terms: D000368:Aged; D001206:Ascorbic Acid Deficiency / Q000453:epidemiology; D002118:Calcium / Q000378:metabolism; D004032:Diet; D005260:Female; D005527:Food, Fortified; D006801:Humans; D008297:Male; D009749:Nutrition Surveys; D009747:Nutritional Physiological Phenomena; D009751:Nutritional Requirements; D010024:Osteoporosis / Q000209:etiology; D011502:Protein-Energy Malnutrition / Q000453:epidemiology; D012737:Sex Factors; D006113:United Kingdom; D014804:Vitamin B Deficiency / Q000453:epidemiology; D014808:Vitamin D Deficiency / Q000453:epidemiology
chemical_list: D002118:Calcium