title: Rejuvenating the immune system.
mesh_terms: D000368:Aged; D000375:Aging; D000596:Amino Acids / Q000494:pharmacology; D000818:Animals; D001205:Ascorbic Acid / Q000494:pharmacology; D017690:Cell Transplantation; D002149:Energy Intake; D006801:Humans; D007109:Immunity / Q000187:drug effects; D051379:Mice; D012313:RNA / Q000627:therapeutic use; D011837:Radiation-Protective Agents / Q000494:pharmacology; D013947:Thymosin / Q000494:pharmacology; D014810:Vitamin E / Q000494:pharmacology
chemical_list: D000596:Amino Acids; D011837:Radiation-Protective Agents; D014810:Vitamin E; D013947:Thymosin; D012313:RNA; D001205:Ascorbic Acid