title: Vitamin C and smoking: increased requirement of smokers.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000818:Animals; D001205:Ascorbic Acid / Q000008:administration & dosage / Q000378:metabolism / Q000502:physiology*; D001206:Ascorbic Acid Deficiency / Q000209:etiology; D004435:Eating; D005260:Female; D006801:Humans; D007408:Intestinal Absorption; D008297:Male; D008875:Middle Aged; D009749:Nutrition Surveys; D009751:Nutritional Requirements; D012306:Risk; D012907:Smoking
chemical_list: D001205:Ascorbic Acid