title: Hypothesis: anencephaly and spina bifida are usually preventable by avoidance of a specific but unidentified substance present in certain potato tubers.
mesh_terms: D000349:Africa; D000757:Anencephaly / Q000453:epidemiology / Q000517:prevention & control*; D001208:Asia; D005060:Europe; D005260:Female; D005658:Fungi; D006801:Humans; D007231:Infant, Newborn; D007494:Ireland; D008297:Male; D009747:Nutritional Physiological Phenomena; D010935:Plant Diseases; D011247:Pregnancy; D012621:Seasons; D012737:Sex Factors; D012923:Social Class; D012992:Solanine; D013020:South America; D016135:Spinal Dysraphism / Q000453:epidemiology / Q000517:prevention & control*; D006113:United Kingdom; D014481:United States; D014675:Vegetables; D014880:Water Softening
chemical_list: D012992:Solanine