Diseases Maladies 25 Nervous system 25 Nervous System Diseases 20 Cardiovascular system 19 Cardiovascular Diseases 16 Cardiology 15 Kidneys 15 Eye 14 Kidney Diseases 13 Neurology 13 Gastrointestinal Diseases 12 Gastroenterology 11 Ophthalmology 11 Treatment 11 Blood 9 Diagnosis 9 Eye Diseases 9 Gastrointestinal system 9 Nephrology 9 Surgery 9 Digestive organs 8 diagnosis 8 therapy 8 Heart 7 Hematologic Diseases 7 Hematology 7 Respiratory organs 7 physiology 7 Brain 6