Aplastic anemia occurs when your bone marrow doesn’t make enough red and white blood cells, and platelets. Having fewer red blood cells causes hemoglobin to drop. Hemoglobin is the part of blood that ...

Three pairs of glands secrete saliva to keep your mouth moist. Salivary stones and other problems with one of the submandibular salivary glands sometimes require surgical removal (excision) of the ...