title: Some naive questions and thoughts on vitamin D and its relatives.
mesh_terms: D000293:Adolescent; D000328:Adult; D000818:Animals; D001692:Biological Transport; D002648:Child; D002675:Child, Preschool; D002762:Cholecalciferol / Q000378:metabolism; D002784:Cholesterol / Q000378:metabolism; D003684:Dehydrocholesterols / Q000378:metabolism; D004817:Epidermis / Q000378:metabolism; D005260:Female; D005527:Food, Fortified; D006801:Humans; D006887:Hydroxycholecalciferols / Q000378:metabolism; D007223:Infant; D007231:Infant, Newborn; D008099:Liver / Q000378:metabolism*; D009748:Nutrition Disorders / Q000378:metabolism; D010281:Parathyroid Hormone / Q000378:metabolism; D011247:Pregnancy; D012867:Skin / Q000378:metabolism* / Q000528:radiation effects; D014466:Ultraviolet Rays; D014807:Vitamin D / Q000096:biosynthesis* / Q000378:metabolism* / Q000627:therapeutic use
chemical_list: D003684:Dehydrocholesterols; D006887:Hydroxycholecalciferols; D010281:Parathyroid Hormone; D014807:Vitamin D; D002762:Cholecalciferol; D002784:Cholesterol