Regenerating the heart.  Tantalizing findings show that the heart can make new muscle cells.
D002250:Carbon Radioisotopes / Q000032:analysis; D006321:Heart / Q000502:physiology*; D006331:Heart Diseases / Q000628:therapy*; D006801:Humans; D009206:Myocardium / Q000737:chemistry / Q000166:cytology*; D012038:Regeneration; D013997:Time Factors
D002250:Carbon Radioisotopes