title: Nutritional, endocrine, and demographic aspects of osteoporosis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000818:Animals; D001846:Bone Development; D002116:Calcitonin / Q000502:physiology; D002648:Child; D002675:Child, Preschool; D003710:Demography; D004032:Diet; D004967:Estrogens / Q000172:deficiency*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008593:Menopause; D009747:Nutritional Physiological Phenomena; D010024:Osteoporosis / Q000453:epidemiology / Q000209:etiology*; D005082:Physical Exertion; D051381:Rats; D014029:Tobacco Use Disorder / Q000150:complications; D014808:Vitamin D Deficiency / Q000150:complications
chemical_list: D004967:Estrogens; D002116:Calcitonin