title: Caffeine--its identity, dietary sources, intake and biological effects.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000818:Animals; D002099:Cacao; D002110:Caffeine / Q000378:metabolism / Q000494:pharmacology / Q000633:toxicity; D002253:Carbonated Beverages; D055598:Chemical Phenomena; D002621:Chemistry; D002648:Child; D002675:Child, Preschool; D003069:Coffee; D004361:Drug Tolerance; D005260:Female; D006331:Heart Diseases / Q000139:chemically induced; D006801:Humans; D007223:Infant; D007928:Lethal Dose 50; D008875:Middle Aged; D009153:Mutagens; D004366:Nonprescription Drugs; D010437:Peptic Ulcer / Q000139:chemically induced; D011247:Pregnancy; D013662:Tea
chemical_list: D003069:Coffee; D009153:Mutagens; D004366:Nonprescription Drugs; D013662:Tea; D002110:Caffeine